different between concavity vs furrow

English

Etymology

From Old French concavité.

Morphologically concave +? -ity

Pronunciation

• IPA^(key): /k??kæv?ti/

Noun

concavity (countable and uncountable, plural concavities)

1. (uncountable) The state of being concave
2. (countable) A concave structure or surface

Antonyms

• convexity

Translations

English

Etymology

From Middle English furgh, forow, from Old English furh, from Proto-West Germanic *furh, from Proto-Germanic *furhs (compare Saterland Frisian Fuurge, Dutch voor, German Furche, Swedish fåra, Norwegian Bokmål fure), from Proto-Indo-European *per?- (“to dig”).

Compare Welsh rhych (“furrow”), Latin porca (“ridge, balk”), Lithuanian prapar?šas (“ditch”), Sanskrit ?????? (pár??na, “chasm”).

Pronunciation

• (General American) IPA^(key): /?f??o?/, /?f?o?/
• (Received Pronunciation) IPA^(key): /?f????/
• (accents without the "Hurry-furry" merger)
• (accents with the "Hurry-furry" merger)
• Rhymes: -????

Noun

furrow (plural furrows)

1. A trench cut in the soil, as when plowed in order to plant a crop.

   Don't walk across that deep furrow in the field.

2. Any trench, channel, or groove, as in wood or metal.
3. A deep wrinkle in the skin of the face, especially on the forehead.

   When she was tired, a deep furrow appeared on her forehead.

Derived terms

• furrowless
• furrowlike
• furrowy

Translations

Verb

furrow (third-person singular simple present furrows, present participle furrowing, simple past and past participle furrowed)

1. (transitive) To cut one or more grooves in (the ground, etc.).
2. (transitive) To wrinkle.
3. (transitive) To pull one's brows or eyebrows together due to concentration, worry, etc.

   Synonym: frown

Derived terms

• furrower
• furrowing
• unfurrow
• unfurrowed

Translations

See also

• plough a lonely furrow