13-letter words containing r, i, d, o
- hydronitrogen — a chemical compound containing only hydrogen and nitrogen.
- hydronium ion — the hydrogen ion bonded to a molecule of water, H 3 O + , the form in which hydrogen ions are found in aqueous solution.
- hydropathical — Alternative form of hydropathic.
- hydroperoxide — any chemical compound having the general formula, ROOH, where R is an element or an organic group.
- 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.
- hydroxide ion — the anion OH−.
- 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.
- hyperadenosis — abnormal enlargement of the glands, especially of the lymph nodes.
- hyperboloidal — Having the shape or form of a hyperboloid.
- hyperdicrotic — having or pertaining to a double beat of the pulse for each beat of the heart.
- hyperhidrosis — abnormally excessive sweating.
- hyperlordosis — Particularly severe lordosis.
- hypertrophied — abnormal enlargement of a part or organ; excessive growth.
- hypo-chondria — Also, hypochondriasis [hahy-poh-kuh n-drahy-uh-sis] /ˌhaɪ poʊ kənˈdraɪ ə sɪs/ (Show IPA). Psychiatry. an excessive preoccupation with one's health, usually focusing on some particular symptom, as cardiac or gastric problems.
- hypochondriac — Also, hypochondriacal, H05/H0509000 hahy-poh-kuh n-drahy-uh-kuh l, ˌhaɪ poʊ kənˈdraɪ ə kəl. Psychiatry. pertaining to or suffering from hypochondria, an excessive preoccupation with and worry about one's health: The comedy is aimed at the hypochondriac demographic. produced by hypochondria: Hypochondriac feelings overwhelmed her.
- hypochondrium — either of two regions of the abdomen, situated on each side of the epigastrium and above the lumbar regions.
- hypohydration — Dehydration.
- ideogrammatic — Of or pertaining to ideograms.
- ideographical — Alternative form of ideographic.
- ides of march — 15th March: ominous date
- idiochromatic — (of a mineral) deriving a characteristic color from its capacity to absorb certain light rays.
- idiorrhythmic — self-regulating; allowing each member to regulate his or her own life
- idiosyncratic — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- idiot strings — strings attached to children's mittens to prevent the wearer from losing them
- ill-nourished — underfed or inadequately fed
- imponderables — Plural form of imponderable.
- improvidently — In an improvident manner.
- in due course — a direction or route taken or to be taken.
- in good order — If something is in good order, it is in good condition.
- in moderation — not to excess
- in order that — used to introduce a clause of purpose
- inboard motor — a boat's motor that is situated within the hull
- incardination — to institute as a cardinal.
- incident room — An incident room is a room used by the police while they are dealing with a major crime or accident.
- inconsiderate — without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
- incredulously — not credulous; disinclined or indisposed to believe; skeptical.
- indirect cost — a business cost that is not directly accountable to a particular function or product; a fixed cost, as a land tax or the like.
- indiscretions — Plural form of indiscretion.
- indo-european — a large, widespread family of languages, the surviving branches of which include Italic, Slavic, Baltic, Hellenic, Celtic, Germanic, and Indo-Iranian, spoken by about half the world's population: English, Spanish, German, Latin, Greek, Russian, Albanian, Lithuanian, Armenian, Persian, Hindi, and Hittite are all Indo-European languages. Compare family (def 14).
- indo-germanic — Indo-European
- indoctrinated — to instruct in a doctrine, principle, ideology, etc., especially to imbue with a specific partisan or biased belief or point of view.
- indoctrinates — Third-person singular simple present indicative form of indoctrinate.
- indoctrinator — One who indoctrinates.
- indolebutyric — as in indolebutyric acid, a synthetic plant growth regulator