13-letter words containing r, o, l, i
- hydrocephalic — of or relating to hydrocephalus.
- hydrochloride — a salt, especially of an alkaloid, formed by the direct union of hydrochloric acid with an organic base that makes the organic constituent more soluble.
- hydrocolloids — Plural form of hydrocolloid.
- hydroelectric — pertaining to the generation and distribution of electricity derived from the energy of falling water or any other hydraulic source.
- hydropathical — Alternative form of hydropathic.
- hydrostatical — Alternative form of hydrostatic.
- hydrosulfides — Plural form of hydrosulfide.
- hydrosulfuric — (chemistry) Derived from hydrogen sulfide considered as hydrosulfuric acid.
- hydrosulphide — a compound containing the univalent group –HS.
- hydrosulphite — hyposulfite (def 1).
- hydrotelluric — (chemistry) Formed by hydrogen and tellurium.
- hydroxylamine — an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.
- hydroxylation — (organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement of a hydrogen atom.
- hygrometrical — Alternative form of hygrometric.
- hyperbolising — to use hyperbole; exaggerate.
- hyperboloidal — Having the shape or form of a hyperboloid.
- hyperlordosis — Particularly severe lordosis.
- hypermobility — An excess amount of elasticity in a bodily joint.
- hypermorality — conformity to the rules of right conduct; moral or virtuous conduct.
- hypermotility — excessive motility of the stomach or intestine (opposed to hypomotility).
- hyperpolarize — to increase the difference in electric potential across (a cell membrane).
- hyperrational — characterized by excessive rationality
- hypervelocity — extremely high velocity, as of projectiles, space vehicles, or accelerated nuclear particles.
- hypobranchial — situated below the gills or beneath the branchial arches.
- hypochlorites — Plural form of hypochlorite.
- hyposulphuric — relating to sulphur which is in a lower state of oxidation than it is in sulphuric compounds
- hypsometrical — Of or pertaining to hypsometry.
- iatrochemical — relating to iatrochemistry or iatrochemists
- ideographical — Alternative form of ideographic.
- ill-nourished — underfed or inadequately fed
- illocutionary — pertaining to a linguistic act performed by a speaker in producing an utterance, as suggesting, warning, promising, or requesting.
- illuminometer — an instrument for measuring illumination.
- illustrations — Plural form of illustration.
- illustriously — highly distinguished; renowned; famous: an illustrious leader.
- illustrissimo — most illustrious (esp as belonging to the Italian aristocracy)
- immigrational — the act of immigrating.
- immortalizing — Present participle of immortalize.
- imperial moth — a yellow moth, Eacles imperialis, having a diagonal band of pinkish brown or purple: the hairy larvae feed on the leaves of hickory, oak, etc.
- impersonalise — to make impersonal: The dial system impersonalized the telephone.
- impersonalism — the practice of maintaining impersonal relations with individuals or groups.
- impersonality — absence of human character or of the traits associated with the human character: He feared the impersonality of a mechanized world.
- impersonalize — to make impersonal: The dial system impersonalized the telephone.
- imponderables — Plural form of imponderable.
- importunately — urgent or persistent in solicitation, sometimes annoyingly so.
- improbability — the quality or condition of being improbable; unlikelihood.
- improvability — to bring into a more desirable or excellent condition: He took vitamins to improve his health.
- improvidently — In an improvident manner.
- incarnational — an incarnate being or form.
- inclinatorium — an instrument invented by Robert Norman in 1576, used to determine the degree to which a magnetic needle dips towards the earth; a dipping needle
- inclinometers — Plural form of inclinometer.