Dictionary
Six public-domain dictionaries, read side by side.
Terms
2,929- Octane
- Octangular
- Octant
- Octapla
- Octaroon
- Octastyle
- Octateuch
- Octavalent
- Octave
- Octavo
- Octene
- Octennial
- Octet
- Octic
- Octile
- Octillion
- Octo-; Octa-
- Octoate
- October
- Octocera
- Octocerata
- Octochord
- Octodecimo
- Octodentate
- Octodont
- Octoedrical
- Octofid
- Octogamy
- Octogenarian
- Octogenary
- Octogild
- Octogonal
- Octogynia
- Octogynian; Octogynous
- Octoic
- Octolocular
- Octonaphthene
- Octonary
- Octonocular
- Octopede
- Octopetalous
- Octopod
- Octopoda
- Octopodia
- Octopus
- Octoradiated
- Octoroon
- Octospermous
- Octostichous
- Octostyle
- Octosyllabic; Octosyllabical
- Octosyllable
- Octoyl
- Octroi
- Octuor
- Octuple
- Octyl
- Octylene
- Octylic
- Ocular
- Ocularly
- Oculary
- Oculate; Oculated
- Oculiform
- Oculina
- Oculinacea
- Oculist
- Oculo-
- Oculomotor
- Oculonasal
- Oculus
- Ocypodian
- Od
- Odal
- Odalisque
- Odalman; Odalwoman
- Odd
- Odd Fellow
- Oddity
- Oddly
- Oddment
- Oddness
- Odds
- Ode
- ODED
- Odelet
- Odelsthing
- Odeon
- Odeum
- Odible
- Odic
- Odin
- Odinic
- Odinism
- Odious
- Odist
- Odium
- Odize
- Odmyl
- Odograph
- Odollam
- Odometer
- Odometrical
- Odometrous
- Odometry
- Odonata
- Odontalgia
- Odontalgic
- Odontalgy
- Odontiasis
- Odonto-
- Odontoblast
- Odontocete
- Odontogeny
- Odontograph
- Odontographic
- Odontography
- Odontoid
- Odontolcae
- Odontolite
- Odontology
- Odontophora
- Odontophore
- Odontophorous
- Odontoplast
- Odontopteryx
- Odontornithes
- Odontostomatous
- Odontotormae
- Odor
- Odorament
- Odorant
- Odorate
- Odorating
- Odoriferous
- Odorine
- Odorless
- Odorous
- Ods
- Odyl; Odyle
- Odylic
- Odyssey
- Oe
- Oecoid
- Oecology
- Oeconomical
- Oeconomics
- Oeconomy
- Oecumenical
- Oedema
- Oedematous
- Oeil-De-Boeuf
- Oeil-De-Perdrix
- Oeiliad; Oeillade
- Oelet
- Oenanthate
- Oenanthic
- Oenanthol
- Oenanthone
- Oenanthyl
- Oenanthylate
- Oenanthylic
- Oenanthylidene
- Oenanthylous
- Oenocyan
- Oenology
- Oenomania
- Oenomel
- Oenometer
- Oenophilist
- Oenothionic
- Oersted
- Oesophagus; Oesophageal
- Oestrian
- Oestrual
- Oestruation
- Oestrus
- Of
- Off
- Offal
- Offcut
- Offence
- Offend
- OFFEND, OFFENSE
- Offendant
- Offender
- Offendress
- Offense; Offence
- Offenseful
- Offenseless
- Offensible
- Offension
- Offensive
- Offer
- Offerable
- Offerer
- OFFERING,
- Offerings
- Offertory
- Offerture
1 entry 1 source
Octane
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
Any one of a group of metametric hydrocarcons (C8H18) of the methane series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of benzene or ligroin.