13-letter words containing h, o, i
- harmonization — to bring into harmony, accord, or agreement: to harmonize one's views with the new situation.
- haruspication — the use of animal entrails for divination
- hash function — (programming) A hash coding function which assigns a data item distinguished by some "key" into one of a number of possible "hash buckets" in a hash table. The hash function is usually combined with another more precise function. For example a program might take a string of letters and put it in one of twenty six lists depending on its first letter. Ideally, a hash function should distribute items evenly between the buckets to reduce the number of hash collisions. If, for example, the strings were names beginning with "Mr.", "Miss" or "Mrs." then taking the first letter would be a very poor hash function because all names would hash the same.
- hatemongering — The behaviour of a hatemonger; the spreading of hatred.
- have occasion — If you have occasion to do something, it is necessary for you to do it.
- heading sword — a sword used for beheading.
- heart monitor — a machine that registers the activity of the heart
- heartstopping — Very exciting or shocking, as though to cause one's heart to skip beats.
- heat equation — a partial differential equation the solution of which gives the distribution of temperature in a region as a function of space and time when the temperature at the boundaries, the initial distribution of temperature, and the physical properties of the medium are specified.
- heating power — power that can be used to heat something
- heaven forbid — You say 'Heaven forbid!' to emphasize that you very much hope that something will not happen.
- heilong jiang — Amur.
- heli-boarding — the sport of snowboarding on mountains or glaciers accessible only by helicopter or skiplane
- helicoid cyme — an inflorescence, or cyme, in which each flowering branch gives rise to one lateral branch that is coiled snail-like and then expanded.
- heliocentrism — The theory that the sun is the center of the universe, (This theory is historically important and was widely accepted at the time of Copernicus, Galileo and Kepler.).
- heliographing — Present participle of heliograph.
- heliotropical — heliotropic
- hellenization — to make Greek in character.
- helminthology — the scientific study of worms, especially of parasitic worms.
- help off with — If you help someone off with an item of clothing, you help them take it off.
- hematogenesis — hematopoiesis.
- hematological — Hematologic.
- hematologists — Plural form of hematologist.
- hematopoiesis — the formation of blood.
- hematopoietic — the formation of blood.
- hematosalpinx — (medicine) A medical condition involving bleeding into the Fallopian tubes.
- hemicellulose — any of a group of gummy polysaccharides, intermediate in complexity between sugar and cellulose, that hydrolyze to monosaccharides more readily than cellulose.
- hemichordates — Plural form of hemichordate.
- hemicolectomy — (surgery) A colectomy involving the removal of only the ascending (right) colon or the descending (left) colon.
- hemimetabolic — (zoology) Having an incomplete metamorphosis, the larvae differing from the adults chiefly in lacking wings.
- hemiterpenoid — (chemistry) a terpenoid having a C5 skeleton.
- hemolymphatic — a fluid in the body cavities and tissues of invertebrates, in arthropods functioning as blood and in some other invertebrates functioning as lymph.
- hemp agrimony — a European composite plant, Eupatorium cannabinum, having dull purplish flowers.
- heortological — of or relating to heortology
- hepatectomies — Plural form of hepatectomy.
- hepatobiliary — Of, pertaining to, or originating in the liver, bile ducts and gallbladder.
- heptadecanoic — as in heptadecanoic acid, a saturated fatty acid, aka margaric acid
- herborization — the act or process of herborizing
- herefordshire — a former county in W England, now part of Hereford and Worscester.
- heresiography — a treatise on heresy.
- heresiologist — a person who studies or writes about heresies.
- hermaphrodism — the condition of being a hermaphrodite.
- hermaphrodite — an individual in which reproductive organs of both sexes are present. Compare pseudohermaphrodite.
- herniorrhaphy — correction of a hernia by a suturing procedure.
- hero sandwich — a large sandwich, usually consisting of a small loaf of bread or long roll cut in half lengthwise and containing a variety of ingredients, as meat, cheese, lettuce, and tomatoes.
- herod agrippa — (Julius Agrippa) c10 b.c.–a.d. 44, king of Judea 41–44 (grandson of Herod the Great).
- herod antipas — died after a.d. 39, ruler of Galilee, a.d. 4–39: ordered the execution of John the Baptist and participated in the trial of Jesus.
- heroic stanza — elegiac stanza.
- heroin addict — sb dependent on heroin
- herpetologist — the branch of zoology dealing with reptiles and amphibians.