ooh
— Verb
– English
～ express admiration and pleasure by uttering `ooh' or `aah'; "They oohed and aahed when they unwrapped the presents"
oology
— Noun
– English
～ the branch of zoology that studies eggs (especially birds' eggs and their size, shape, coloration, and number)
oolong
— Noun
– English
～ Chinese tea leaves that have been partially fermented before being dried
oomph
— Noun
– English
～ the activeness of an energetic personality
oomph
— Noun
– English
～ attractiveness to the opposite sex
oomycetes
— Noun
– English
～ nonphotosynthetic fungi that resemble algae and that reproduce by forming oospores; sometimes classified as protoctists
oophorectomy
— Noun
– English
～ surgical removal of one of both ovaries
oophoritis
— Noun
– English
～ inflammation of one or both ovaries
oophorosalpingectomy
— Noun
– English
～ surgical removal of one or both ovaries and the corresponding Fallopian tubes
Oort cloud
— Noun
– English
～ (astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun
oort
— Noun
– English
～ Dutch astronomer who proved that the galaxy is rotating and proposed the existence of the Oort cloud (1900-1992)
oosphere
— Noun
– English
～ a gamete; used especially of lower plants
oospore
— Noun
– English
～ a thick-walled sexual spore that develops from a fertilized oosphere in some algae and fungi
ootid
— Noun
– English
～ mature ovum after penetration by sperm but before the formation of a zygote