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2 : a solution (ammonia water) of ammonia in water

am·mo·ni·um noun : an ion or chemical group derived from ammonia by combination with hydrogen

ammonium chloride noun : a white crystalline volatile salt used in batteries and as an expectorant

am·mu·ni·tion noun 1 : projectiles fired from guns

2 : explosive items used in war

3 : material for use in attack or defense

Amn abbreviation airman

am·ne·sia noun 1 : abnormal loss of memory

2 : the selective overlooking of events or acts not favorable to one's purpose

— am·ne·si·ac or am·ne·sic adjective or noun

am·nes·ty noun, plural -ties : an act granting a pardon to a group of individuals

— amnesty verb

Synonyms

absolution, forgiveness, pardon, remission—more at PARDON

am·nio·cen·te·sis noun, plural -te·ses : the surgical insertion of a hollow needle through the abdominal wall and uterus of a pregnant female esp. to obtain fluid used to check the fetus for chromosomal abnormality and to determine sex

amoe·ba noun, plural -bas or -bae : any of various tiny one-celled protozoans that lack permanent cell organs and occur esp. in water and soil

— amoe·bic adjective

amoe·boid adjective : resembling an amoeba esp. in moving or readily changing shape

amok or amuck adverb : in a violent, frenzied, or uncontrolled manner

Synonyms

berserk, frantically, harum-scarum, hectically, helter-skelter, madly, pell-mell, wild, wildly—more at HELTER-SKELTER

among also amongst preposition 1 : in or through the midst of

2 : in the number, class, or company of

3 : in shares to each of

4 : by common action of

Synonyms

amid, midst, through; also between, betwixt

amon·til·la·do noun, plural -dos [ORIGIN: Sp]

: a medium dry sherry

amor·al adjective 1 : neither moral nor immoral; especially : being outside the sphere to which moral judgments apply

2 : lacking moral sensibility

— amor·al·ly adverb

am·o·rous adjective 1 : strongly moved by love and esp. sexual love

2 : being in love

3 : of or indicative of love and esp. sexual love

— am·o·rous·ly adverb

— am·o·rous·ness noun

Synonyms

[1, 3] amatory, erotic, sexy—more at EROTIC

amor·phous adjective 1 : having no definite form : FORMLESS

2 : not crystallized

Synonyms

formless, shapeless, unformed, unshaped, unstructured—more at FORMLESS

am·or·tize verb -tized; -tiz·ing : to extinguish (as a mortgage) usu. by payment on the principal at the time of each periodic interest payment

— amor·ti·za·tion noun

1amount verb 1 : to be equivalent — usu. used with to

2 : to reach a total : add up — usu. used with to

Synonyms

usually amount to [1] add up, come, correspond, equal; also approach, match, measure (up), meet, rival, touch

usually amount to [2] add up, come, number, sum, total; also average, equal, measure, reach

2amount noun 1 : the total number or quantity

2 : a principal sum plus the interest on it

Synonyms

measure, quantity; also body, portion

amour noun 1 : a love affair esp. when illicit

2 : LOVER

amour pro·pre noun [ORIGIN: F]

: SELF-ESTEEM

1amp noun : AMPLIFIER; also : a unit consisting of an electronic amplifier and a loudspeaker

2amp abbreviation ampere

am·per·age noun : the strength of a current of electricity expressed in amperes

am·pere noun : a unit of electric current equivalent to a steady current produced by one volt applied across a resistance of one ohm

am·per·sand noun [ORIGIN: alter. of and per se and, spoken form of the phrase & per se and, lit., (the character) & by itself (stands for the word) and]

: a character & used for the word and

am·phet·amine noun : a compound or one of its derivatives that stimulates the central nervous system and is used esp. to treat hyperactive children and to suppress appetite

am·phib·i·an noun 1 : an amphibious organism; especially : any of a class of vertebrate animals (as frogs and salamanders) intermediate