9-letter words containing o, h, m, i
- heroinism — an addiction to heroin
- hierogram — a sacred symbol, as an emblem, pictograph, or the like.
- hieromonk — a monk who is also a priest.
- high moby — /hi:' mohb'ee/ The high half of a 512K PDP-10's physical address space; the other half was of course the low moby. This usage has been generalised in a way that has outlasted the PDP-10; for example, at the 1990 Washington D.C. Area Science Fiction Conclave (Disclave), when a miscommunication resulted in two separate wakes being held in commemoration of the shutdown of MIT's last ITS machines, the one on the upper floor was dubbed the "high moby" and the other the "low moby". All parties involved grokked this instantly. See moby.
- himations — Plural form of himation.
- hindooism — the common religion of India, based upon the religion of the original Aryan settlers as expounded and evolved in the Vedas, the Upanishads, the Bhagavad-Gita, etc., having an extremely diversified character with many schools of philosophy and theology, many popular cults, and a large pantheon symbolizing the many attributes of a single god. Buddhism and Jainism are outside the Hindu tradition but are regarded as related religions.
- hippiedom — the lifestyle and world of hippies, especially in the 1960s.
- hippodame — a sea horse
- hiroshima — a seaport on SW Honshu, in SW Japan: first military use of atomic bomb August 6, 1945.
- histogram — a graph of a frequency distribution in which rectangles with bases on the horizontal axis are given widths equal to the class intervals and heights equal to the corresponding frequencies.
- histotome — a microtome.
- hobohemia — A community of hoboes.
- home life — a person's life at home; private life
- home side — the team that is playing on its home ground
- home sign — any idiosyncratic system of gestural communication used by a deaf person.
- home time — time to go home
- home unit — a self-contained residence which is part of a series of similar residences
- homebirth — Childbirth taking place at home, rather than in a hospital.
- homebuilt — Constructed at home, rather than being obtained from a manufacturer etc.
- homefries — Plural form of homefry.
- homegirls — Plural form of homegirl.
- homegoing — A voyage home.
- homeliest — lacking in physical attractiveness; not beautiful; unattractive: a homely child.
- homesites — Plural form of homesite.
- homeslice — Alternative spelling of home slice (Someone from one's home town.).
- homicidal — of or relating to homicide.
- homicides — Plural form of homicide.
- homiletic — of or relating to preaching or to homilies.
- homiliary — a collection of homilies.
- hominines — Plural form of hominine.
- hominoids — Plural form of hominoid.
- homogamic — (of a plant) in which all the flowers of an inflorescence are either of the same sex or hermaphrodite
- homogenic — having only one alternative form, or one allele, of a gene or genes: The plagues attacked relatively homogenic populations.
- homologic — Homological.
- homolysis — (chemistry) The decomposition of a substance without reacting with other substances.
- homolytic — Of, pertaining to, or produced by homolysis.
- homonymic — Phonetics. a word pronounced the same as another but differing in meaning, whether spelled the same way or not, as heir and air; a homophone (def 1).
- homophile — a homosexual.
- homophily — The tendency of individuals to associate with others of the same kind.
- homoploid — of an organism or a cell whose set of chromosomes exhibits the same degree of ploidy as an organism or cell with which it is compared.
- homotaxis — a similarity of arrangement, as of geologic strata or fossil assemblages that have the same relative position but are not necessarily contemporaneous.
- homotonic — of the same tone
- homotopic — (topology, of two maps) Such that there is an interval of maps joining one to the other.
- homotypic — of or relating to a homotype.
- homunculi — an artificially made dwarf, supposedly produced in a flask by an alchemist.
- hoodooism — the practice of or belief in voodoo.
- hormisdas — Saint, died a.d. 523, pope 514–523.
- horsemint — a wild mint, Mentha longifolia, introduced into America from Europe, having spikes of lilac flowers.
- hospitium — a hospice.
- housemaid — a female servant employed in general domestic work in a home, especially to do housework.