15-letter words containing a, n, d, i
- high and mighty — self-important, arrogant
- high-and-mighty — haughty; arrogant.
- high-handedness — condescending or presumptuous; overbearing; arbitrary: He has a highhanded manner.
- highland cattle — a breed of cattle with shaggy hair, usually reddish-brown in colour, and long horns
- holding company — a company that controls other companies through stock ownership but that usually does not engage directly in their productive operations (distinguished from parent company).
- holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
- holding paddock — a paddock in which cattle or sheep are kept temporarily, as before shearing, etc
- holding pattern — a traffic pattern for aircraft at a specified location (holding point) where they are ordered to remain until permitted to land or proceed.
- holiday feeling — the positive feeling people experience while on holiday and during holiday periods such as the Christmas period
- holyhead island — former name of Holy Island (def 2).
- homing guidance — a method of missile guidance in which internal equipment enables it to steer itself onto the target, as by sensing the target's heat radiation
- hot-dip coating — the process of coating sheets of iron or steel with molten zinc.
- human condition — mortality
- humidifications — Plural form of humidification.
- hunting leopard — the cheetah.
- hurdle champion — a hurdler who has defeated all others in a competition
- hyaluronic acid — a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints.
- hybrid antibody — a synthetic antibody that is able to combine with two different antigens
- hydrodynamicist — a specialist in hydrodynamics.
- hydrofracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydromechanical — Of or pertaining to hydromechanics.
- hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
- hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
- hyperventilated — Simple past tense and past participle of hyperventilate.
- hypochondriacal — 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.
- hypochondriases — Plural form of hypochondriasis.
- hypochondriasis — 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.
- hypodorian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from A to A, with the final on D.
- hypoionian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from G to G, with the final on C.
- hypolydian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from C to C, with the final on F.
- identical rhyme — rhyme created by the repetition of a word.
- identical twins — one of a pair of twins who develop from a single fertilized ovum and therefore have the same genotype, are of the same sex, and usually resemble each other closely.
- identifiability — to recognize or establish as being a particular person or thing; verify the identity of: to identify handwriting; to identify the bearer of a check.
- identifications — Plural form of identification.
- identity matrix — a matrix that has 1 in each position on the main diagonal and 0 in all other positions.
- identity papers — law: legal documents
- identity parade — law: police lineup
- idiosyncratical — Alternative form of idiosyncratic.
- immunoadsorbent — immunosorbent.
- immunodiagnosis — serodiagnosis.
- immunomodulator — a substance that affects the functioning of the immune system
- imponderability — The state or characteristic of being imponderable.
- in a (bad) spot — in a bad situation; in trouble
- in a good light — something that makes things visible or affords illumination: All colors depend on light.
- in at the death — the act of dying; the end of life; the total and permanent cessation of all the vital functions of an organism. Compare brain death.
- in pari delicto — in equal fault; equally culpable or blameworthy.
- in the hands of — under the control of
- in the old days — a long time ago
- in your dreams! — You say `In your dreams!' when you think that what someone wants is never going to happen or be true.
- in-and-out bond — a stonework or brickwork bond having headers and stretchers alternating vertically.