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a, an

without

abyss

a bottomless gulf or pit

amnesia

partial or total loss of memory

anecdote

pronounced an-ik-dote
short account of event

anemia

lack of a normal number of red blood cells

anesthetic

a drug that causes temporary loss of bodily sensations

anomaly

irregularity

ab

from, away from, down

abdicate

to give up power

abject

showing humiliation or submissiveness

abomination

an action that is vicious or vile

abrogate

revoke formally

abscess

collection of pus surrounded by inflamed tissue

abstain

to choose not to do something

abstruse

difficult to penetrate

ad

near, to, toward

adhere

stick to firmly

adjacent

near or close to but not necessarily touching

adjourn

break from a meeting or gathering

admonish

warn strongly

adrenalin

hormone released into the bloodstream in response to stress, like fear; also called epinephrine

adverb

the word class that qualifies verbs or clauses

advocate

a person who pleads for a cause or propounds an idea

inadvertent

without intention (especially resulting from heedless action)

ante

before, earlier

antebellum

belonging to a period before a war especially the American Civil War

antecedent

a preceding occurrence or cause or event

antechamber

a large entrance or reception room or area

antedate

be earlier in time

antediluvian

pronounced an-ti-də-ˈlü-vē-ən
a very old (or old fashioned) person

anterior

of or near the head end or toward the front plane of the body, eariler in time

ante-meridiem

before the middle of the day

anteroom

a large entrance or reception room or area

anthrop

human

anthropoid

manlike

anthropology

the study of humans

anthropomorphic

suggesting human characteristics for animals or inanimate things

anthropophagi

cannibals

misanthropist

someone who dislikes people in general

philanthropy

the attempt to improve the well-being of those in need by donating money or aid

arch

ultimate, highest rank or
ruler

anarchy

a state of lawlessness and disorder (usually resulting from a failure of government)

archangel

an angel ranked above the highest rank in the celestial hierarchy

archenemy

the worst or main enemy (usually in a story)

archetype

an original model on which something is patterned

hierarchy

the organization of people at different ranks in an administrative body

matriarch

a female head of a family or tribe

monarch

A ruler of a kingdom or empire

oligarchy

a political system governed by a few people

amphibious

operating or living on land and in water

biochemistry

the organic chemistry of compounds and processes occuring in organisms

biodegradable

capable of being decomposed by e.g. bacteria

biography

an account of the series of events making up a person's life

bionics

the study of how humans and animals perform certain tasks and solve certain problems, and of the application of the findings to the design of electronic devices and mechanical parts

biosphere

the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist

biotic

of or relating to living organisms

symbiosis

the relation between two different species of organisms that are interdependent

chron

time

anachronism

something located at a time when it could not have existed or occurred

chronic

being long-lasting and recurrent or characterized by long suffering

chronicle

a record or narrative description of past events

chronograph

an accurate timer for recording time

chronology

arrangement of events in time

chronometer

an accurate clock (especially used in navigation)

synchronize

make synchronous and adjust in time or manner

dia

through, across, between

diacritical

capable of distinguishing

diagnosis

identifying the nature or cause of some phenomenon

diagonal

(geometry) a straight line connecting any two vertices of a polygon that are not adjacent

dialect

the usage or vocabulary that is characteristic of a specific group of people

diameter

the length of a straight line passing through the center of a circle and connecting two points on the circumference

diaphanous

sheer; transparent

diaphragm

Large, flat muscle at the bottom of the chest cavity that helps with breathing

diatribe

thunderous verbal attack

em- , en-

in, into

embed

fix or set securely or deeply

embody

represent, as of a character on stage

embroil

force into some kind of situation, condition, or course of action

enamor

attract

encode

translate ideas &images into verbal/non verbal symbols

engrave

carve, cut, or etch into a material or surface

enlist

as of aid, help, services, or support or join the military

envision

imagine

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