vocab->401-450

401	sentry	7	N: a lookout, someone who keeps watch	There were sentries walking around in the airport , making sure that nobody was brings weapons onto their flights.	War & Conflict
402	vigilant	7	ADJ: carefully observant, on the lookout for possible danger	The team remained vigilant, because they did not think that their opponents would give up that easily.	War & Conflict
403	tactician	8	N: a person who is skilled at planning tactics or strategies.	Because she was a brilliant tactician, she was appointed as the army leader.	War & Conflict
404	hypothesis	7	N: an educated guess that has not yet been proven ADJ: hypothetical	Her hypothesis was that if she injected the protein intravenously, she would be able to make the patient’s capillaries close up.	Science & Analysis
405	compile	8	V: to gather together N: compilation	She made a video compilation of all of her makeup tutorials at the end of the year.	Science & Analysis
406	cumulative	8	ADJ: adding together, incorporating everything up to the present	All of the cumulative effects of the medication would have resulted in death.	Science & Analysis
407	comprehensive	7	ADJ: thorough, covering a wide area, including everything	The doctors did a comprehensive test to see if there was anything wrong with her body.	Science & Analysis
408	criterion	7	N: a standard against which other things can be judged PL: criteria	Part of the criteria for taking the course was completing Calculus BC as an honor student.	Science & Analysis
409	scrutiny	6	N: intense examination or inspection	There was an intense scrutiny of the object before it was allowed into the country	Science & Analysis
410	fundamental	7	ADJ: involving basic or essential principles	Before moving onto algebra, you need to know the fundamentals of mathematics.	Science & Analysis
411	innate	10	ADJ: natural, present at birth	She had an innate ability to sense the future.	Science & Analysis
412	congenital	7	ADJ: present at birth	She had lots of health problems because of her congenital heart disease.	Science & Analysis
413	hereditary	7	ADJ: inherited, passed from parents to children.	Her teeth problems were hereditary, and passed down from her mother.	Science & Analysis
414	heterogeneous	9	ADJ: having many different elements or parts	The heterogeneous mixture was difficult to analyze.	Science & Analysis
415	homogenous	9	ADJ: all of the same kind, having consistent or identical parts V: homogenize	The modeling agency only had a homogeneous mixture of models, who had similar heights and weights.	Science & Analysis
416	saturate	8	V: to fill or soak completely N: saturation	The water was saturated with sugar, so the ants were attracted to it.	Science & Analysis
417	dilute	5	V: to weaken or lessen in strength, to water down	She diluted the mixture by adding a gallon of water.	Science & Analysis
418	humid	5	ADJ: damp, having a great deal of water vapor in the air N: humidity	The climate in the east coast during the summer was hot and humid.	Science & Analysis
419	irrigate	6	V; to supply with water N: irrigation	The drip irrigation system is a new way to water your garden, while preserving water.	Science & Analysis
420	deluge	8	N: a flood or downpour	The family was caught in a deluge, and they had no rain protection.	Science & Analysis
421	erosion	7	N: the process of wearing away by water or wind	The Grand Canyon was a result of water erosion from the Colorado River.	Science & Analysis
422	corrode	8	V: to cause to deteriorate, to eat away by water, air, or acid	The rocks in the river corroded over time, and eventually became gravel at the bottom of the river.	Science & Analysis
423	tarnish	9	V: to make dirty, often a metal through exposure to air	The statue of Liberty has tarnished over time, and become green.	Science & Analysis
424	dehydrate	6	V: to remove water, to dry out N: dehydration	The dog food company dehydrated the beef, so that it would still have all the nutritional value of the meat.	Science & Analysis
425	arid	8	ADJ: dry, lacking rainfall	The arid climate of the desert makes it dangerous to explore without any water.	Science & Analysis
426	parch	8	V: to dry out through heat	Because the plants were not getting watered, they looked parched by the end of the summer.	Science & Analysis
427	altitude	6	N: height, elevation above sea level	The plane passengers had to wear their seatbelt until the plane reached cruising altitude.	Science & Analysis
428	excavate	6	V: to dig up N: excavation	The archaeologist led the excavation of the ancient egyptian tomb	Science & Analysis
429	incision	9	N: the result of cutting ADJ: incisive	The surgeon made a precise incision before he began operating.	Science & Analysis
430	apparatus	7	N: equipment	The guitarist used the AV apparatus to add effects.	Science & Analysis
431	remedy	8	N: a cure or solution V: to cure or set right	The doctor told her patient that there was a simple remedy to her ailment.	Science & Analysis
432	phenomenon	7	N: an  observable event or occurrence PL: phenomena	It was an unusual phenomenon that the puppy decided to play with her toys instead of keeping guard.	Science & Analysis
433	acoustics	7	N: the study of the properties of sound	The architect had to consider how drastically the acoustics of the room would change after the reconstruction.	Science & Analysis
434	auditory	7	ADJ: relating to the process of hearing	Sounds picked up by the ear are sent to the auditory nerve, and eventually the brain.	Science & Analysis
435	cacophony	9	N: a loud, harsh, disagreeable noise	The dog woke up from the cacophony started up by the house’s speaker system.	Science & Analysis
436	din	8	N: a loud, harsh, disagreeable noise	The din of the lawn mower in the backyard interrupted the conversation.	Science & Analysis
437	muted	8	ADJ: softened, hushed, quiet	The muted blues were easier to the eyes than neon yellow.	Science & Analysis
438	olfactory	9	ADJ: relating to the sense of smell	Due to a dog’s keener olfactory sense, they can smell out people underneath the snow.	Science & Analysis
439	pungent	10	ADJ: having a strong or sharp taste or odor	The maggot cheese had both a pungent taste and smell.	Science & Analysis
440	rancid	9	ADJ: having a sour or stale taste or smell due to decomposition	The raw fish had stayed outside for days, and had finally become rancid.	Science & Analysis
441	entice	8	V: to lure or attract, often through appearance or smell ADJ: enticing	The enticing smell coming from downstairs drew all the kids to the kitchen.	Science & Analysis
442	glutton	7	N: a person who is greedy, particularly about eating ADJ: gluttonous	She was a glutton who gorged on 25 whole chickens a day.	Science & Analysis
443	ravenous	8	ADJ: extremely hungry	The puppy was ravenous after having not eaten for nine hours.	Science & Analysis
444	voracious	9	ADJ: greedy or extremely hungry	Due to Prader-Willi Syndrome, he was voracious eater, who never seemed to get full.	Science & Analysis
445	tactile	8	ADJ: relating to the sense of touch	The article of clothing was designed to be tactile, so the museum did not put up any signs.	Science & Analysis
446	tangible	8	ADJ: able to be felt or touched	The defendant knew that he needed tangible proof to prove that he was not the murderer.	Science & Analysis
447	audible	7	ADJ: able to be heard	The teacher told her students that their speech must be audible to the whole class.	Science & Analysis
448	taut	8	ADJ: under tension, stretched tightly	The rope was taut from all the tension that it was under.	Science & Analysis
449	contour	7	N: a smooth, curved outline	The horizon stood behind the contours of the hills before it.	Science & Analysis
450	amorphous	10	ADJ: having no defined shape.	Butter is an amorphous solid, because it can be molded into more than one specific shape.	Science & Analysis