English Vocabulary · Grade 11 Live Review Preview

11th Grade Vocabulary Words

Eleventh-grade readers work across complex arguments, literary forms, scientific models, quantitative reasoning, civic institutions, social analysis, and precise academic prose. This level emphasizes disciplinary meanings, source evaluation, rhetorical and linguistic analysis, transparent morphology, and the careful use of context and reference tools when a word has several possible senses.

This independently authored 800-word beta curriculum is arranged in twenty-three pages of up to thirty-five words. Pages containing words 1–500 include five cloze questions drawn only from that enhanced range; words 501–800 remain fully visible and editable as list pages while expanded practice is developed. Every row includes an editable subject-field label and a conservative word-study note about transparent affixes, compound structure, capitalization, or dictionary base forms. The cited sources calibrate range and difficulty only; all learner-facing definitions, examples, quizzes, and descriptions are original KSSR copy.

Please note: the vocabulary lists for grades 9~11 have been selected to ensure no overlap with the previous grade level. If the words are too specialized or difficult for you, please go back to grade levels 4~8 and review the words on those pages.

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Words 246–280 of 800
#	Word	Details	Meaning	Sample sentence
246	dosage	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: dosage is the dictionary headword; compare its inflected or derived forms in context.	កិតើ	The physician adjusted the dosage according to the child's weight.
247	adverse effect	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: adverse + effect. Study the complete expression as one field-specific unit.	ផលប៉ះពាល់អវិជ្ជមាន	Dizziness was the most common adverse effect of the drug.
248	placebo	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: placebo is the dictionary headword; compare its inflected or derived forms in context.	ថ្នាំ placebo	The control group received a placebo without the active ingredient.
249	nocebo	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: nocebo is the dictionary headword; compare its inflected or derived forms in context.	ណូសេបូ	Warnings alone can sometimes contribute to a nocebo response.
250	afferent neuron	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: afferent + neuron. Study the complete expression as one field-specific unit.	ណឺរ៉ូន afferent	An afferent neuron carries the pain signal from the finger toward the spinal cord.
251	efferent neuron	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: efferent + neuron. Study the complete expression as one field-specific unit.	ណឺរ៉ូន efferent	An efferent neuron activates the muscle that withdraws the hand.
252	somatic nervous system	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: somatic + nervous + system. Study the complete expression as one field-specific unit.	ប្រព័ន្ធសរសៃប្រសាទ somatic	The somatic nervous system allows a pianist to move each finger deliberately.
253	autonomic nervous system	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: autonomic + nervous + system. Study the complete expression as one field-specific unit.	ប្រព័ន្ធសរសៃប្រសាទស្វយ័ត	The autonomic nervous system changes heart rate during stress.
254	glial cell	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: glial + cell. Study the complete expression as one field-specific unit.	កោសិកា glial	A glial cell can nourish neurons and stabilize their environment.
255	astrocyte	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: astrocyte is the dictionary headword; compare its inflected or derived forms in context.	astrocyte	An astrocyte helps maintain chemical balance near a synapse.
256	microglia	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: microglia is the dictionary headword; compare its inflected or derived forms in context.	microglia	Microglia remove damaged material after a brain injury.
257	oligodendrocyte	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: oligodendrocyte is the dictionary headword; compare its inflected or derived forms in context.	oligodendrocyte	One oligodendrocyte can insulate portions of several axons.
258	Schwann cell	proper noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: Schwann + cell. Study the complete expression as one field-specific unit.	កោសិកា Schwann	A Schwann cell wraps one segment of a peripheral nerve fiber.
259	axon	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: axon is the dictionary headword; compare its inflected or derived forms in context.	អ័ក្ស	The impulse traveled down the axon toward the muscle.
260	dendrite	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: dendrite is the dictionary headword; compare its inflected or derived forms in context.	Dendrite	Each dendrite collects messages from nearby neurons.
261	refractory period	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: refractory + period. Study the complete expression as one field-specific unit.	រយៈពេល refractory	The refractory period helps keep an action potential moving in one direction.
262	saltatory conduction	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: saltatory + conduction. Study the complete expression as one field-specific unit.	ដំណើរការអំបិល	Saltatory conduction speeds impulses along myelinated nerves.
263	acetylcholine	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: acetylcholine is the dictionary headword; compare its inflected or derived forms in context.	អាសេទីលកូលីន	Motor neurons release acetylcholine at skeletal muscles.
264	dopamine	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: dopamine is the dictionary headword; compare its inflected or derived forms in context.	ដូប៉ាមីន	Dopamine signaling helps the brain update expectations after a reward.
265	serotonin	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: serotonin is the dictionary headword; compare its inflected or derived forms in context.	សេរ៉ូតូនីន	Serotonin pathways influence sleep and emotional regulation.
266	norepinephrine	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: norepinephrine is the dictionary headword; compare its inflected or derived forms in context.	norepinephrine	Norepinephrine increases arousal during an emergency.
267	GABA	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Capitalization focus: GABA is an abbreviation or initialism; preserve its capital letters.	ហ្គាបា	GABA reduces the likelihood that a nearby neuron will fire.
268	glutamate	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: glutamate is the dictionary headword; compare its inflected or derived forms in context.	ជាតិស្ករ glutamate	Glutamate activates receptors important for learning.
269	blood-brain barrier	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: blood + brain + barrier. Study the complete expression as one field-specific unit.	របាំងឈាមខួរក្បាល	The blood-brain barrier blocks many toxins but also some medicines.
270	basal ganglia	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: basal + ganglia. Study the complete expression as one field-specific unit.	ganglia basal	The basal ganglia help initiate a practiced movement.
271	medulla oblongata	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: medulla + oblongata. Study the complete expression as one field-specific unit.	medulla oblongata	The medulla oblongata helps maintain breathing during sleep.
272	pons	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: pons is the dictionary headword; compare its inflected or derived forms in context.	ផុន	The pons relays information between the cerebellum and the cortex.
273	midbrain	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Base-form focus: midbrain is the dictionary headword; compare its inflected or derived forms in context.	ខួរក្បាលកណ្តាល	The midbrain helps turn the eyes toward a sudden flash.
274	reticular formation	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: reticular + formation. Study the complete expression as one field-specific unit.	ការបង្កើត reticular	The reticular formation helps maintain wakefulness.
275	Broca's area	proper noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: Broca's + area. Study the complete expression as one field-specific unit.	តំបន់ Broca	Damage to Broca's area can make speech slow and effortful.
276	Wernicke's area	proper noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: Wernicke's + area. Study the complete expression as one field-specific unit.	តំបន់ Wernicke	Damage to Wernicke's area can impair comprehension of spoken words.
277	lateralization	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Suffix focus: -ization forms a noun for a process of making or becoming.	lateralization	Language shows partial lateralization toward the left hemisphere in many people.
278	sensory adaptation	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Term structure: sensory + adaptation. Study the complete expression as one field-specific unit.	ការសម្របខ្លួនតាមអារម្មណ៍	Sensory adaptation makes a room's odor less noticeable after several minutes.
279	proprioception	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	កម្មសិទ្ធិបញ្ញា	Proprioception lets a dancer place a foot without looking down.
280	nociception	noun Study Field: Grade 11 anatomy, neuroscience, and public-health term Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	nociception	Nociception begins when heat activates receptors in the skin.

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11th Grade Vocabulary Words

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