irrotational

English

Etymology

Etymology tree

Proto-Indo-European *né

Proto-Indo-European *n̥-

Proto-Italic *n̥-

Latin in-

Latin ir-

English ir-

Proto-Indo-European *Hreth₂-

Proto-Indo-European *Hróth₂eh₂der.

Proto-Italic *rotā

Latin rota

Proto-Indo-European *-h₂

Proto-Indo-European *-éh₂

Proto-Indo-European *-yéti

Proto-Indo-European *-eh₂yéti

Proto-Indo-European *-h₂tiinflu.

Proto-Italic *-ājō

Proto-Italic *-āō

Latin -ō

Latin rotō

Proto-Indo-European *-tis

Proto-Indo-European *-Hō

Proto-Indo-European *-tiHō

Proto-Italic *-tiō

Latin -tiō

Latin rotātiōbor.

English rotation

Proto-Indo-European *h₂el-

Proto-Indo-European *-is

Proto-Indo-European *h₂élisder.?

Proto-Italic *-ālis

Latin -ālislbor.

Old French -albor.

▲

Latin -ālis

Old French -elbor.

▲

Latin -ālisbor.

Middle English -al

English -al

English rotational

English irrotational

From ir- + rotational.

Pronunciation

• Audio (US):

  (file)

Adjective

irrotational (not comparable)

1. Not rotating or not pertaining to rotation.
2. (calculus) Having zero curl.

Antonyms

• rotational

Derived terms

• irrotational field
• irrotational flow
• irrotationality
• irrotationally
• irrotational strain
• irrotational vector

Translations

no curl

• Bulgarian: безвихров (bezvihrov)
• French: irrotationnel (fr)
• Italian: irrotazionale
• Polish: bezwirowy
• Portuguese: irrotacional
• Spanish: irrotacional

See also

• conservative