14-letter words containing o, h, i
- heat of fusion — the heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature: equal to the heat of solidification.
- heat reservoir — a hypothetical body of infinitely large mass capable of absorbing or rejecting unlimited quantities of heat without undergoing appreciable changes in temperature, pressure, or density.
- heath robinson — (of a mechanical device) absurdly complicated in design and having a simple function
- heavy nitrogen — the stable isotope of nitrogen having a mass number of 15.
- hebetudinosity — mental dullness; insipidity
- hedonistically — a person whose life is devoted to the pursuit of pleasure and self-gratification.
- height of land — a watershed
- helicopter dad — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- helicopter mom — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- helicopter pad — landing area
- heliocentrical — Alternative form of heliocentric.
- heliosciophyte — any plant that grows in the shade, but thrives more in the sun
- helium balloon — a balloon that is filled with helium and rises up into the air if not held
- hellaciousness — Quality of being hellacious.
- hello, sailor! — (jargon) Occasional West Coast equivalent of hello, world; seems to have originated at SAIL, later associated with the game Zork (which also included "hello, aviator" and "hello, implementor"). Originally from the traditional hooker's greeting to a swabbie fresh off the boat, of course.
- helminthologic — of or pertaining to helminthology
- hemerocallises — Plural form of hemerocallis.
- hemicelluloses — Plural form of hemicellulose.
- hemimetabolism — incomplete metamorphosis.
- hemimetabolous — incomplete metamorphosis.
- hemipelvectomy — (surgery) The surgical removal of half of the pelvis, and the leg on that side.
- hemoglobinuria — the presence of hemoglobin pigment in the urine.
- hendersonville — a city in S Tennessee.
- henry the lion — ?1129–95, duke of Saxony (1142–81). His ambitions led to conflict with the Holy Roman Emperors, notably Frederick Barbarossa
- hepatectomised — Alt form hepatectomized.
- hepatectomized — That has undergone hepatectomy.
- hepaticologist — a person who studies hepaticology
- hepatotoxicity — Toxicity that damages the liver.
- heresiographer — a person who writes about heresy
- hermaphrodites — Plural form of hermaphrodite.
- hermaphroditic — an individual in which reproductive organs of both sexes are present. Compare pseudohermaphrodite.
- hermaphroditus — a son of Hermes and Aphrodite who merged with the nymph Salmacis to form one body
- hermit kingdom — Korea during the period, c1637–c1876, when it was cut off from contact with all countries except China.
- heroic couplet — a stanza consisting of two rhyming lines in iambic pentameter, especially one forming a rhetorical unit and written in an elevated style, as, Know then thyself, presume not God to scan / The proper study of Mankind is Man.
- herpetological — Of or relating to herpetology, the study of reptiles.
- herpetologists — Plural form of herpetologist.
- herring choker — a native or resident of any of the Maritime Provinces but especially of New Brunswick.
- heteroaromatic — a heterocyclic aromatic compound.
- heterochronism — a change in the stage at which developmental processes take place relative to members of the same species
- heteroclitical — (obsolete) Anomalous, heteroclite.
- heteroflexible — (of a person) predominantly heterosexual but not exclusively so
- heterographies — Plural form of heterography.
- heterokaryosis — condition in which a binucleate or multinucleate cell contains genetically dissimilar nuclei.
- heterokaryotic — condition in which a binucleate or multinucleate cell contains genetically dissimilar nuclei.
- heterolecithal — having an unequal distribution of yolk, as certain eggs or ova.
- heteromorphism — The quality or condition of existing in various forms.
- heteroplasties — Plural form of heteroplasty.
- heteroromantic — Romantically attracted to those of the opposite gender.
- heterospecific — belonging to a different species or group
- heterostrophic — (of a shell) twisting or turning in a different direction