13-letter words starting with h
- holy mackerel — astonishment
- holy saturday — the Saturday in Holy Week.
- holy thursday — Ascension Day.
- holyroodhouse — a royal palace in Edinburgh in Scotland: official residence of the Queen when in Scotland; begun in 1501 by James IV of Scotland; scene of the murder of David Rizzio in 1566
- homalographic — representing parts with like proportions.
- home assembly — assembly at home of something supplied in pieces
- home comforts — things in a house that make it comfortable
- home computer — a personal computer used in the home.
- home counties — The Home Counties are the counties which surround London.
- home delivery — delivery to one's home
- home invasion — an act or instance of entering an occupied residence with the intent to commit a burglary or other crime.
- home row keys — home keys
- home shopping — buying items via tv or internet
- home straight — the section of a racecourse forming the approach to the finish
- home-schooler — to teach (one's children) at home instead of sending them to school.
- homeobox gene — any of a group of genes whose function is to divide the early embryo into bands of cells with the potential to become specific organs or tissues.
- homeomorphism — similarity in crystalline form but not necessarily in chemical composition.
- homeomorphous — similarity in crystalline form but not necessarily in chemical composition.
- homeoteleuton — a series of words with the same or similar endings.
- homeothermous — remaining at an almost constant temperature
- homeownership — a person who owns a home.
- homeschoolers — Plural form of homeschooler.
- homeschooling — a school set up in the home.
- homestead act — a special act of Congress (1862) that made public lands in the West available to settlers without payment, usually in lots of 160 acres, to be used as farms.
- homestead law — any law exempting homesteads from seizure or sale for debt.
- homework club — an after-school club where students can stay to do their homework
- homiletically — In a homiletic fashion.
- homing device — a mechanism incorporated into a guided missile, airplane, etc., that aims it toward its objective.
- homing pigeon — any pigeon used to carry messages and equipped by training and breeding to fly home, sometimes from great distances.
- homochromatic — of or relating to one hue; monochromatic.
- homoepitaxial — (materials science) Having the same orientation.
- homoeroticism — a tendency to be sexually aroused by a member of the same sex.
- homofullerene — (chemistry) Any of various compounds formally derived from a fullerene by the insertion of a methylene group between adjacent carbon atoms.
- homogeneities — Plural form of homogeneity.
- homogeneously — composed of parts or elements that are all of the same kind; not heterogeneous: a homogeneous population.
- homogenetical — of, involving or relating to homogeny
- homoiothermal — having a body temperature that is relatively constant and mostly independent of the temperature of the environment; warm-blooded (opposed to poikilothermic).
- homoiothermic — (of birds and mammals) having a constant body temperature, usually higher than the temperature of the surroundings; warm-blooded
- homologoumena — the books in the New Testament generally held as authoritative and canonical by the early church.
- homolographic — representing parts with like proportions.
- homomorphosis — the regrowth by a plant or animal of an organ, tissue or another part that has been lost or destroyed
- homopolymeric — relating to or made of homopolymers
- homoscedastic — having the same variance.
- homosexualism — A sexual attraction to (or sexual relations with) individuals of the same sex.
- homosexuality — sexual desire or behavior directed toward a person or persons of one's own sex.
- honest broker — a neutral person or organization that mediates disputes; an impartial mediator.
- honest to god — real or genuine.
- honest-to-god — real or genuine.
- honey buzzard — a long-tailed Old World hawk, Pernis apivorus, that feeds on the larvae of bees as well as on small rodents, reptiles, and insects.
- honey creeper — any of several small, usually brightly colored birds, related to the tanagers and wood warblers, of tropical and semitropical America.