2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Proto- \Pro"to-\ [Gr. prw^tos first a superl. fr pro` before
See {Pro-}.]
1. A combining form prefix signifying first primary,
primordial; as protomartyr, the first martyr;
protomorphic, primitive in form protoplast, a primordial
organism; prototype, protozoan.
2. (Chem.)
a Denoting the first or lowest of a series, or the one
having the smallest amount of the element to the name
of which it is prefixed; as protoxide, protochloride
etc
b Sometimes used as equivalent to mono-, as indicating
that the compound has but one atom of the element to
the name of which it is prefixed. Also used
adjectively.
From WordNet r 1.6 [wn]:
proto
adj : (combining form) indicating the first or earliest or
original; "`proto' is a combining form in a word like
`protolanguage' that refers to the hypothetical
ancestor of another language or group of languages"
[syn: {proto(a)}]
more about proto
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Lake Atitlan, Guatemala
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