Definition of At

1. Noun. A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.

Exact synonyms: Astatine, Atomic Number 85
Generic synonyms: Chemical Element, Element, Halogen

2. Noun. 100 at equal 1 kip in Laos.
Generic synonyms: Laotian Monetary Unit
Group relationships: Kip

Definition of At

1. prep. Primarily, this word expresses the relations of presence, nearness in place or time, or direction toward; as, at the ninth hour; at the house; to aim at a mark. It is less definite than in or on; at the house may be in or near the house. From this original import are derived all the various uses of at.

Definition of At

1. in the position of [prep]

Medical Definition of At

1. The adenine-thymine hydrogen-bonded base pair observed in double-stranded polynucleotides. Symbol for astatine. (05 Mar 2000)

Lexicographical Neighbors of At

as if by magic
as it is
as it were
as luck would have it
as much as possible
as needed
as required
as such
as the crow flies
as usual
as was common
as well
as we say
as yet
At (current term)
at
at-bat
AT-II acetyltransferase
AT-I acetyltransferase
at-large(ip)
at/gc ratio
ata
atabal
atabals
atabeg
atabegs
atabek
atabeks
atabrin
Atabrine

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