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expert system noun : computer software that attempts to mimic the reasoning of a human specialist

ex·pi·ate verb -at·ed; -at·ing : to give satisfaction for : ATONE

— ex·pi·a·tion noun

ex·pi·a·to·ry adjective : serving to expiate

ex·pi·ra·tion noun 1 : the last emission of breath; also : the act or process of releasing air from the lungs through the nose or mouth

2 : the fact of coming to an end or the point at which something ends

Synonyms

death, demise, termination—more at DEATH

cessation, close, conclusion, end, ending, finish, shutdown, stop, stoppage, termination—more at END

expiration date noun 1 : the date after which something is no longer in effect

2 : the date after which a product is expected to decline in quality or effectiveness

ex·pire verb ex·pired; ex·pir·ing 1 : to breathe one's last breath : DIE

2 : to come to an end

3 : to breathe out from or as if from the lungs

Synonyms

[1] decease, depart, die, pass, pass away, perish, succumb—more at DIE

[2] cease, close, conclude, die, discontinue, end, finish, halt, pass, quit, stop, terminate—more at CEASE

[3] blow, breathe, exhale—more at EXHALE

ex·pla·na·tion noun 1 : the act or process of explaining

2 : something that explains

Synonyms

clarification, construction, elucidation, explication, exposition, illumination, illustration, interpretation; also paraphrase, restatement, translation; deciphering, decoding; unscrambling; analysis; definition, meaning; demonstration, enactment; justification, rationale, rationalization, reasoning

argument, case, rationale, reason—more at REASON

ex·plain verb [ORIGIN: ME explanen, fr. L explanare, lit., to make level, fr. planus level, flat]

1 : to make clear

2 : to give the reason for

— ex·plan·a·to·ry adjective

Synonyms

[1] clarify, clear, construe, demonstrate, elucidate, explicate, expound, illuminate, illustrate, interpret, spell out; also decipher, decode; analyze, break down; disentangle, undo, unravel, unscramble, untangle; resolve, solve; define, specify

Antonyms

obscure

[2] account, rationalize; also condone, excuse, forgive, justify; absolve, acquit, exculpate, exonerate, vindicate

explain away verb : to get rid of by or as if by explanation; also : to minimize the significance of by or as if by explanation

ex·ple·tive noun : a usu. profane exclamation

ex·pli·ca·ble adjective : capable of being explained

Synonyms

answerable, resolvable, soluble, solvable—more at SOLVABLE

ex·pli·cate verb -cat·ed; -cat·ing : to give a detailed explanation of; especially : to interpret the meaning or sense of

Synonyms

clarify, clear, construe, demonstrate, elucidate, explain, expound, illuminate, illustrate, interpret, spell out—more at EXPLAIN

ex·pli·ca·tion noun 1 : the act or process of explicating

2 : something that explicates or that results from the act or process of explicating

Synonyms

clarification, construction, elucidation, explanation, exposition, illumination, illustration, interpretation—more at EXPLANATION

ex·plic·it adjective : clearly and precisely expressed

— ex·plic·it·ly adverb

Synonyms

clear-cut, definite, definitive, express, specific, unambiguous, unequivocal; also declared, stated; categorical, complete, comprehensive, exhaustive, full; certain, sure, unmistakable; clear, distinct, lucid, exact, precise; direct, literal, plain, simple, straightforward; comprehensible, intelligible, understandable

Antonyms

implicit, implied, inferred; ambiguous, circuitous

ex·plic·it·ness noun : the quality or state of being explicit

Synonyms

clarity, lucidity, perspicuity, simplicity—more at SIMPLICITY

ex·plode verb ex·plod·ed; ex·plod·ing [ORIGIN: L explodere to drive off the stage by clapping, fr. ex- out + plaudere to clap]

1 : DISCREDIT <~ a belief>

2 : to burst or cause to burst violently and noisily <~ a bomb>

3 : to undergo a rapid chemical or nuclear reaction with production of heat and violent expansion of gas

4 : to give forth a sudden