oo-
pref.（前缀）
语源
pref.（前缀）
- Egg; ovum:
蛋，卵：
oogenesis.
卵生成
语源
- Greek ōio-
希腊语 ōio- - from ōion [egg] * see awi-
源自 ōion [蛋，卵] *参见 awi-
oo- or oö-
combining form
egg or ovum
⇒
oosperm
Origin
from Greek ōion egg1oo-
Word Origin
1
a combining form meaning “egg,” used in the formation of compound words:
oogamous.
Origin
< Greek ōio-, combining form of ōión egg1
oo-a word element meaning 'egg'.
[Greek, combining form of ōion]oo-
⇨ see o-
⇨ see o-
oo-
combining form
- Biology relating to or denoting an egg or ovum【生】表示“卵”, “蛋”。
词源
from Greek ōion 'egg'.
1875 Sorby in Proc. Zool. Soc. 355*Oocyan..is..often associated with yellow substances..therefore the solution is of a somewhat green-blue colour.
1875 Newton in Encycl. Brit. III. 774Some chemical relation between the oocyans and the bile.
1881 G. Busk in Jrnl. Microsc. Sc. Jan. 3The *oœcium is sub-globular and affixed to the upper and outer border of the zoœcium.
1892 Syd. Soc. Lex. ,*Oögenesis ..*Oögeny.
1925 R. E. Snodgrass Anat. &Physiol. Honeybee xii. 270The process in the case of the egg cells involves oogenesis and maturation. [ of development]
1960 New Biol. XXXI. 94The process of oogenesis must not predetermine the post-fertilization history of the egg.
1974 L. B. Arey DevelopmentalAnat. (ed. 7rev. ) iii. 31The word ‘egg’ or ‘ovum’ is often used when referring to any stage in the course of differentiation of the female sex cell during oögenesis.
1895 D. Sharp in Cambr. Nat. Hist. V. xxii. 500Some hypothetic rudiments they consider to exist at the very earliest stage of the embryonic, or *oogenetic process. [ sc. Weismann and others]
1886 Athenæum 25 Dec. 867/1 The correlative growths may assume the characters of the *oophyte or prothallus.
1895 tr. Kerner'sNat. Hist. Plants II. 476In the Fern, two stages are well shown in the life-cycle, (1) the prothallium, the sexual generation or oophyte, and (2) the fern-plant, the asexual generation (or sporophyte).
1875 Sorby in Proc. Zool. Soc. 354*Oorhodeine..occurs..in the shells of such a great number of eggs that its entire absence is exceptional.
1875 Newton in Encycl. Brit. III. 774/2Inclined to think that oorhodeine is in some way or other closely related to cruentine.
1727 Bailey vol. II, *Ooscopy, predictions made from Eggs.
1877 Huxley Anat. Inv. Anim. vi. 366The eggs of the ordinary Edriophthalmia usually undergo their development in the chamber beneath the thorax enclosed by the *oostegites of the thoracic appendages.
1851–6 Woodward Mollusca 136Spawn (*ootheca) vermiform, thick, semicircular.
1888 Rolleston & Jackson FormsAnim. Life 649In the monogenetic its [ Trematoda] shape varies, and is determined by that of the ‘*ootype’. [ the egg's]
1875 Sorby in Proc. Zool. Soc. 356Emu-eggs..are of a fine malachite green colour, due to a mixture of yellow *ooxanthine with oocyan.
Ibid. 357Rufous ooxanthine..differs from yellow ooxanthine in absorbing light to a..greater distance from the blue end.
oo-
word-forming element meaning "egg, eggs," from Greek oon "egg," cognate with Latin ovum, Old Norse egg (see egg, n.).
oo-
combining form. egg or eggs; ovum:
Oology = the science of (birds’) eggs.
[< Greek ōión egg]
oo
oo, interjection, noun, intransitive verb.
= ooh.
OO (no periods)
orbiting observatory.
oo-
— see o-
— see o-
oo-oö-
Prefix
- egg, ovum
Etymology
From Ancient Greek ᾠο- (ōio-), combining form of ᾠόν (ōión) ‘egg’. Compare ovi-.
Derived terms
English words prefixed with oo-
词根词缀：oo-
【来源及含义】Greek: egg or eggs; used in an extended sense as the ovum
【同源单词】ooblast, oocenter, oocephalus, oocinesia, oocinesis, oocinete