proto-

(word root) firstExamples of words with the root proto-: prototype

proto-

or prot-pref.1. First in time; earliest: protolithic.2. First formed; primitive; original: protohuman.3. Proto- Being a form of a language that is the ancestor of a language or group of related languages: Proto-Germanic.4. Having the least amount of a specified element or radical: protoporphyrin.

[Greek prōto-, from prōtos; see per in Indo-European roots.]

proto-

or sometimes before a vowel

prot-

combining form1. indicating the first in time, order, or rank: protomartyr. 2. primitive, ancestral, or original: prototype. 3. (Linguistics) indicating the reconstructed earliest stage of a language: Proto-Germanic. 4. (Chemistry) indicating the first in a series of chemical compounds: protoxide. 5. (Chemistry) indicating the parent of a chemical compound or an element: protactinium. [from Greek prōtos first, from pro before; see pro-²]

proto-

a combining form meaning “first,” “foremost,” “earliest form of” (prototype; protoplasm); used also in the names of chemical compounds that are the first in a given series or that contain the minimum amount of an element. Also, esp. before a vowel,prot-. [< Greek, comb. form representing prôtos first, superlative formed from pró; see pro²-]

Translations

单词	proto-
释义	proto- proto- (word root) firstExamples of words with the root proto-: prototype proto- or prot-pref.1. First in time; earliest: protolithic.2. First formed; primitive; original: protohuman.3. Proto- Being a form of a language that is the ancestor of a language or group of related languages: Proto-Germanic.4. Having the least amount of a specified element or radical: protoporphyrin. [Greek prōto-, from prōtos; see per in Indo-European roots.] proto- or sometimes before a vowel prot- combining form1. indicating the first in time, order, or rank: protomartyr. 2. primitive, ancestral, or original: prototype. 3. (Linguistics) indicating the reconstructed earliest stage of a language: Proto-Germanic. 4. (Chemistry) indicating the first in a series of chemical compounds: protoxide. 5. (Chemistry) indicating the parent of a chemical compound or an element: protactinium. [from Greek prōtos first, from pro before; see pro-²] proto- a combining form meaning “first,” “foremost,” “earliest form of” (prototype; protoplasm); used also in the names of chemical compounds that are the first in a given series or that contain the minimum amount of an element. Also, esp. before a vowel,prot-. [< Greek, comb. form representing prôtos first, superlative formed from pró; see pro²-] Translations proto- proto- , prot- Do not confuse this prefix with the combining form proteo-.The first in a series; the highest in rank. [G. prōtos, first] proto- , prot-Combining forms meaning the first in a series; the highest in rank. [G. prōtos, first] proto- Combining form denoting first, earliest or primitive.
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