protero-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Forms: before a vowel proter-.

Origin: A borrowing from Greek. Etymon: Greek πρότερος.

Etymology: < ancient Greek πρότερος before, in front, former, earlier, superior in rank ( < πρό (see pro- prefix²) + -τερος , comparative suffix (see other adj.); compare Sanskrit pratarám (adverb) further, further forward, Avestan fratara- (adjective) earlier, being in front, superior, Old Persian fratara- (adjective) further, superior); compare -o- connective. Compare scientific Latin protero- (formations in which are found from the mid 19th cent.), French protéro- (formations in which are found from the first half of the 19th cent.).Formations are found from the first half of the 19th cent.

Former, anterior; first in place, time, order, rank, or other sequence.

proterobase n.

Brit.

/ˈprəʊtərə(ʊ)beɪs/

U.S.

/ˈproʊdərəˌbeɪs/

[after diabase n.] Geology (now rare) an altered basaltic or dioritic rock containing primary brown hornblende and purple-brown augite.

ΚΠ

1882 G. F. Becker Geol. Comstock Lode iii. 74 Professor Rosenbusch mentions this change in connection with the proterobases of Lusatia.

1910 C. Reid Geol. Country around Padstow & Camelford 46 These proterobases from St. Minerva do not agree entirely with any described type... They may be called minverites, a sub-group of essexites.

1968 Mineral Mag. 36 874 The Devonian spilitic suite..includes sills of proterobase, albite diabase, and picrite... The proterobase..was named minverite.

† proteroglossate adj. [ < protero- comb. form + ancient Greek γλῶσσα tongue + -ate suffix², after scientific Latin Proteroglossa, former division name (A. Günther 1858, in Proc. Zool. Soc. 26 339)] Zoology Obsolete rare belonging to the former division Proteroglossa of anuran amphibians, having the tongue free in front and attached at the rear end; cf. opisthoglossate adj.Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 Cent. Dict. Proteroglossate, having the tongue free in front, as a batrachian; pertaining to the Proteroglossa, or having their characters.

† proterotome adj. Zoology Obsolete rare designating a chewing action in which the molars of the lower jaw move forwards against those of the upper.

ΚΠ

1888 E. D. Cope in Proc. Amer. Philos. Soc. 25 81 The inferior molar shears forwards on the superior molar. Proterotome mastication.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	protero-
释义	protero-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Forms: before a vowel proter-. Origin: A borrowing from Greek. Etymon: Greek πρότερος. Etymology: < ancient Greek πρότερος before, in front, former, earlier, superior in rank ( < πρό (see pro- prefix²) + -τερος , comparative suffix (see other adj.); compare Sanskrit pratarám (adverb) further, further forward, Avestan fratara- (adjective) earlier, being in front, superior, Old Persian fratara- (adjective) further, superior); compare -o- connective. Compare scientific Latin protero- (formations in which are found from the mid 19th cent.), French protéro- (formations in which are found from the first half of the 19th cent.).Formations are found from the first half of the 19th cent. Former, anterior; first in place, time, order, rank, or other sequence. proterobase n. Brit. /ˈprəʊtərə(ʊ)beɪs/ , U.S. /ˈproʊdərəˌbeɪs/ [after diabase n.] Geology (now rare) an altered basaltic or dioritic rock containing primary brown hornblende and purple-brown augite. ΚΠ 1882 G. F. Becker Geol. Comstock Lode iii. 74 Professor Rosenbusch mentions this change in connection with the proterobases of Lusatia. 1910 C. Reid Geol. Country around Padstow & Camelford 46 These proterobases from St. Minerva do not agree entirely with any described type... They may be called minverites, a sub-group of essexites. 1968 Mineral Mag. 36 874 The Devonian spilitic suite..includes sills of proterobase, albite diabase, and picrite... The proterobase..was named minverite. † proteroglossate adj. [ < protero- comb. form + ancient Greek γλῶσσα tongue + -ate suffix², after scientific Latin Proteroglossa, former division name (A. Günther 1858, in Proc. Zool. Soc. 26 339)] Zoology Obsolete rare belonging to the former division Proteroglossa of anuran amphibians, having the tongue free in front and attached at the rear end; cf. opisthoglossate adj.Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. Proteroglossate, having the tongue free in front, as a batrachian; pertaining to the Proteroglossa, or having their characters. † proterotome adj. Zoology Obsolete rare designating a chewing action in which the molars of the lower jaw move forwards against those of the upper. ΚΠ 1888 E. D. Cope in Proc. Amer. Philos. Soc. 25 81 The inferior molar shears forwards on the superior molar. Proterotome mastication. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < comb. form1882
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