different between scaup vs blackhead

English

Etymology

See scalp (“a bed of oysters or mussels”).

Pronunciation

• IPA^(key): /sk??p/

Noun

scaup (plural scaups or scaup)

1. Any of three species of small diving duck in the genus Aythya.
2. (Scotland) Alternative form of scalp (“a bed or stratum of shellfish”)

Derived terms

• greater scaup, Aythya marila
• lesser scaup, Aythya affinis
• New Zealand scaup, Aythya novaeseelandiae

Translations

See also

• scaup on Wikipedia.Wikipedia
• Aythya on Wikispecies.Wikispecies
• Aythya marila on Wikispecies.Wikispecies
• Aythya affinis on Wikispecies.Wikispecies
• Aythya novaeseelandiae on Wikispecies.Wikispecies
• scaup on Wikimedia Commons.Wikimedia Commons

Anagrams

• A cups, CPUSA, Puacs, Puš?a, caups, pacus, sac up

English

Etymology

black + head

Noun

blackhead (countable and uncountable, plural blackheads)

1. (countable, medicine) A comedo, a skin blemish, a type of acne vulgaris, where a pore becomes clogged with a dark, hard, cheesy keratin-filled substance forming a hard black "head" on the skin's surface.
2. (uncountable) A form of histomoniasis in poultry, characterized by cyanotic discoloration on the bird's head.
3. (countable) A scaup: any of various ducks of the genus Aythya.

Translations

Further reading

• blackhead on Wikipedia.Wikipedia
• Blackhead in the 1920 edition of Encyclopedia Americana.