different between blackhead vs backhead
blackhead
English
Etymology
black + head
Noun
blackhead (countable and uncountable, plural blackheads)
- (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.
- (uncountable) A form of histomoniasis in poultry, characterized by cyanotic discoloration on the bird's head.
- (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.
blackhead From the web:
backhead
English
Etymology
back +? head
Noun
backhead (plural backheads)
- The wall of a steam locomotive's firebox, located in the cab, where the controls are mounted.
Verb
backhead (third-person singular simple present backheads, present participle backheading, simple past and past participle backheaded)
- (soccer) To hit the ball with the back of the head
backhead From the web:
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