Dear teachers!

Have you ever been in the situation when your students ask you the word to define or to translate and you don’t know? You have an answer-a dictionary. Ok. You open the dictionary and … no such word. I was thinking what to do and found the answer. I decided to create a good dictionary for teachers. I will start and when you look, please add your new words which are rare to be found in the dictionaries. Here I also list words which I use in my e-lessons. I will call it Teachers’ Collective Dictionary (TCD). I will update it every week.
The abbreviations:
WDS – Webster’s Dictionary for Students
MSD – Macmillan School Dictionary
? – This sign mean that nobody could find the definition of the word yet your help is necessary. You can send the definition to this word via “contact us”. Don’t forget about the resource.

Dictionary

Approximately 576 words and meanings

A

abase

to humble or belittle (oneself, etc)

abeyance

a state of being suspended or put aside temporarily

abhorrent

repugnant; loathsome

abrasive

a substance or material such as sandpaper, pumice, or emery, used for cleaning, grinding, smoothing, or polishing

abrogate

to cancel or revoke formally or officially; repeal; annul

abyss

a very deep or unfathomable gorge or chasm

acclaimed MSD

publicly praised

accolade

strong praise or approval; acclaim

accredit

to ascribe or attribute

acephalous

having no head or one that is reduced and indistinct, as certain insect larvae

acerbic

harsh, bitter, or astringent; sour

achromatic

without colour

acrid

unpleasantly pungent or sharp to the smell or taste

acronym

An abbreviation formed from the initial letters of a series of words; e.g. NATO (North Atlantic Treaty Organisation), NASA (National Aeronautics and Space Administration).

actuary

a person qualified to calculate commercial risks and probabilities involving uncertain future events, esp in such contexts as life assurance

aculeate

cutting; pointed

addendum

something added; an addition

adiabatic

(of a thermodynamic process) taking place without loss or gain of heat

adipoli

excellent; used in Indian English

adit

an almost horizontal shaft into a mine, for access or drainage

admonish

to reprove firmly but not harshly

adulatory

expressing praise, esp obsequiously; flattering

adumbrate

to outline; give a faint indication of

affidavit

law a declaration in writing made upon oath before a person authorized to administer oaths, esp for use as evidence in court

affluenza
a blend of affluence and influenza, this refers to a condition of being stressed, overworked and up to your eyes in debt

agamic

asexual; occurring or reproducing without fertilization

agonic

forming no angle

aipple

(Scottish) apple

airling

a young and thoughtless person

alabaster

a fine-grained usually white, opaque, or translucent variety of gypsum used for statues, vases, etc

albedo

the ratio of the intensity of light reflected from an object, such as a planet, to that of the light it receives from the sun

aleph

the first letter in the Hebrew alphabet (א) articulated as a glottal stop and transliterated with a superior comma (`)

alfresco

in the open air

alluvion

a) the wash of the sea or of a river b) an overflow or flood c) matter deposited as sediment; alluvium

alms

charitable donations of money or goods to the poor or needy

alopecia

loss of hair, esp on the head; baldness

ambit

scope or extent

aneurysm

a sac formed by abnormal dilation of the weakened wall of a blood vessel

anguish

a strong feeling of misery or distress

annex

an extra building that is joined onto or placed near a

main building

anomalous

deviating from the normal or usual order, type, etc; irregular, abnormal, or incongruous

antonym

Either of a pair of words that have opposite (or near-opposite) meanings; e.g. slow and fast are antonyms of one another, also dead and alive, wife and husband. • From Greek anti (=against).

aorta

the main vessel in the arterial network, which conveys oxygen-rich blood from the heart to all parts of the body except the lungs

aphid

any of the small homopterous insects of the family Aphididae, which feed by sucking the juices from plants. Also called: plant louse. See also greenfly, blackfly

aporia

someting that is difficult or impossible to solve

apprehensive

worried and slightly afraid

apprentice MSD

someone who is learning how to do a particular job

aptronym

A person's name that matches it's owner's occupation or character very well (either in fiction or reality); e.g. arctic explorer Will Snow, hairdresser Dan Druff.

aquarist

someone whose job is to care for aquatic animals, eg fish

aquiline

relating to or like an eagle (=a large bird)

aromancer

a dealer in aromas, a fragrance specialist

asinine

obstinate or stupid

astrolabe

an instrument used by early astronomers to measure the altitude of stars and planets and also as a navigational aid. It consists of a graduated circular disc with a movable sighting device. Compare sextant

augmented reality also AG

the technology of combining real word images, video, etc. with computer-generated information and/or imagery

auricular

of, relating to, or received by the sense or organs of hearing; aural

autoantonym

A word that can take two (or more) opposite meanings; e.g. fast means "moving quickly" or "fixed firmly in place", overlook means "to watch over carefully" or "to fail to notice".

autonym

1. A word that describes itself; e.g. noun is a noun, polysyllabic is polysyllabic, abbrv. is an abbreviation, word is a word.

2. A person's real name; the opposite of pseudonym.

3. A name by which a social group or race refers to itself.