-oct-

See also: oct, Oct, OCT, and Oct.

English

Prefix

oct-

1. Form of octa- or octo- used before a vowel.
3. (chemistry) Used for the digit eight to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.

   ‎un- (“1”) + ‎bi- (“2”) + ‎oct- (“8”) + ‎-ium (element suffix) → ‎unbioctium (“element 128”)

Derived terms

English terms prefixed with oct-

octad

octal

octandrous

octane

octangle

octangular

octaqua

octatomic

octatropine

octene

octennial

octillion

octlet

octuplet

octoid

octose

octoxide

octeract

octree

octuple

unbioctium

ununoctium

octyne

Related terms

• octad
• octet, octette
• octuplet

See also

• -oct-

Anagrams

• CTO, OTC, TCO, TOC, cot

Dutch

Pronunciation

• IPA^(key): /ɔkt/

Prefix

oct-

1. (organic chemistry) oct-

Derived terms

Dutch terms prefixed with oct-

octaan

octeen

octyl

octyn

See also

• Category:nl:Hydrocarbon chain prefixes

German

Pronunciation

• IPA^(key): /ɔkt/

Prefix

oct-

1. (organic chemistry) oct-

Derived terms

German terms prefixed with oct-

Octan

See also

• Category:de:Hydrocarbon chain prefixes