13-letter words containing t, r, o, i, s
- diathermanous — the property of transmitting heat as electromagnetic radiation.
- dictatorships — Plural form of dictatorship.
- dijon mustard — a medium-hot mustard, originally made in Dijon.
- dinitrogenase — (enzyme) One of two enzymes which, together with ATP, catalyze the reduction of molecular nitrogen into ammonia.
- dioristically — in a dioristic manner
- directionless — the act or an instance of directing.
- directorships — Plural form of directorship.
- disafforested — Simple past tense and past participle of disafforest.
- disambiguator — Anything that serves to disambiguate.
- disaster zone — area affected by a catastrophe
- discoloration — the act or fact of discoloring or the state of being discolored.
- discomforting — an absence of comfort or ease; uneasiness, hardship, or mild pain.
- disconcerting — disturbing to one's composure or self-possession; upsetting, discomfiting.
- disconcertion — to disturb the self-possession of; perturb; ruffle: Her angry reply disconcerted me completely.
- disconformity — Geology. the surface of a division between parallel rock strata, indicating interruption of sedimentation: a type of unconformity.
- discount card — a card that entitles the holder to buy goods from a seller at a discount
- discount rate — the rate of interest charged in discounting commercial paper.
- discourtesies — Plural form of discourtesy.
- discretionary — subject or left to one's own discretion.
- discriminator — a person or thing that discriminates.
- disenrollment — to dismiss or cause to become removed from a program of training, care, etc.: The academy disenrolled a dozen cadets.
- disfiguration — an act or instance of disfiguring.
- disinhibitory — (esp of a drug) causing temporary loss of inhibition
- disintegrator — One who, or that which, disintegrates.
- disinvigorate — to deprive of vigour
- disobligatory — not obligatory
- disordinately — in a manner that lacks order
- disorientated — to disorient.
- disorientates — Third-person singular simple present indicative form of disorientate.
- disproportion — lack of proportion; lack of proper relationship in size, number, etc.: architectural disproportions.
- disregulation — Misspelling of dysregulation.
- disreputation — disrepute.
- disseminators — Plural form of disseminator.
- dissertations — Plural form of dissertation.
- dissimilatory — to modify by dissimilation.
- distortedness — The quality of being distorted.
- distortionary — an act or instance of distorting.
- distributions — Plural form of distribution.
- divarications — Plural form of divarication.
- diversionists — Plural form of diversionist.
- doctrinairism — Doctrinaire attitudes generally.
- documentaries — Plural form of documentary.
- documentarist — Movies, Television. a filmmaker, producer, etc., who specializes in documentaries.
- dog-leg stair — a half-turn stair, the successive flights of which are immediately side by side and connected by an intervening platform.
- doppler shift — (often lowercase) the shift in frequency (Doppler shift) of acoustic or electromagnetic radiation emitted by a source moving relative to an observer as perceived by the observer: the shift is to higher frequencies when the source approaches and to lower frequencies when it recedes.
- downrightness — The personal quality of being straightforward and direct in one's manner.
- draft version — a preliminary version
- dragon's tail — (formerly) the descending node of the moon or a planet.
- dramatisation — Alternative spelling of dramatization.
- drop a stitch — to allow a loop of wool to fall off a knitting needle accidentally while knitting