8-letter words starting with oo
- oo gauge — a model railroad gauge of 3/4 inch (19 mm).
- oogamete — one of a pair of structurally dissimilar gametes, the female gamete being large and nonmotile and the male gamete being small and motile.
- oogamous — one of a pair of structurally dissimilar gametes, the female gamete being large and nonmotile and the male gamete being small and motile.
- oogonial — Of or pertaining to an oogonium.
- oogonium — one of the undifferentiated germ cells giving rise to oocytes.
- oolachan — eulachon.
- oologist — A person who studies or specializes in oology.
- oom paul — Stephanus Johannes Paulus [ste-fah-nœs yoh-hah-nuh s poh-lœs] /stɛˈfɑ nœs yoʊˈhɑ nəs ˈpoʊ lœs/ (Show IPA), ("Oom Paul") 1825–1904, South African statesman: president of the Transvaal 1883–1900.
- oomycete — any of various algaelike fungi constituting the phylum Oomycota of the kingdom Fungi (or the class Oomycetes of the kingdom Plantae), characterized by the formation of oospores.
- oophoro- — ovary or ovaries
- oophoron — an ovary
- oosphere — an unfertilized egg within an oogonium.
- oospores — Plural form of oospore.
- oostende — a seaport in NW Belgium.
On this page, we collect all 8-letter words starting with OO. It’s easy to find right word with a certain length. It is the easiest way to find 8-letter word that beginning with OO to use in Scrabble or Crossword puzzles.