12-letter words containing s, h, a, m
- harmlessness — The characteristic of being harmless; the absence of harm.
- harmoniously — marked by agreement in feeling, attitude, or action: a harmonious group.
- harmoniumist — a person who plays a harmonium
- harum-scarum — reckless; rash; irresponsible: He had a harum-scarum youth.
- harvest home — the bringing home of the harvest.
- harvest mite — chigger (def 1).
- harvest moon — the moon at and about the period of fullness that is nearest to the autumnal equinox.
- harvest time — season when crops are gathered
- hasta manana — so long; (I'll) see you tomorrow
- haussmannize — to rebuild in a similar fashion as Haussmann rebuilt Paris
- head massage — massage of the head
- headforemost — headfirst (def 1).
- headmasterly — In a manner befitting a headmaster.
- headmistress — a woman in charge of a private school.
- health stamp — a postage stamp with a surcharge that is used to support a health camp
- heimskringla — a book of the 13th century narrating the history of the kings of Norway by Snorri Sturluson.
- helium flash — the explosive burning of helium in the case of a star of low mass that occurs when the core is so dense that the matter has become degenerate. The burning causes a rapid rise in temperature until it is so high that the gas ceases to be degenerate, after which there is a rapid expansion
- hellgramites — Plural form of hellgramite.
- helmsmanship — the skill or function of a helmsman
- hemapheresis — apheresis.
- hemarthrosis — (pathology) bleeding in the joints.
- hematoblasts — Plural form of hematoblast.
- hematocolpos — (medicine) A medical condition in which the vagina fills with menstrual blood, often caused by the combination of menstruation with an imperforate hymen.
- hematogenous — originating in the blood.
- hematologist — the study of the nature, function, and diseases of the blood and of blood-forming organs.
- hemerocallis — the genus comprising the day lilies.
- hemihydrates — Plural form of hemihydrate.
- hemiparasite — A plant that obtains or may obtain part of its food by parasitism, e.g., mistletoe, which also photosynthesizes.
- hemodialyses — Plural form of hemodialysis.
- hemodialysis — dialysis of the blood, especially with an artificial kidney, for the removal of waste products.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemophiliacs — Plural form of hemophiliac.
- heterogamous — Genetics. having unlike gametes, or reproducing by the union of such gametes (opposed to isogamous).
- hidrocystoma — An adenoma of the sweat glands.
- hippopotamus — a large herbivorous mammal, Hippopotamus amphibius, having a thick hairless body, short legs, and a large head and muzzle, found in and near the rivers, lakes, etc., of Africa, and able to remain under water for a considerable time.
- hiram revels — Hiram Rhoades [rohdz] /roʊdz/ (Show IPA), 1822–1901, U.S. clergyman, educator, and politician: first black senator 1870–71.
- histiocytoma — A tumour consisting of histiocytes.
- hit and miss — unpredictable, unreliable
- hit-and-miss — sometimes successful or rewarding and sometimes not.
- hofmannsthal — Hugo von [hoo-goh fuh n] /ˈhu goʊ fən/ (Show IPA), 1874–1929, Austrian poet, playwright, and librettist.
- hojatoleslam — a title of respect given to an ayatollah or a middle-ranking Shiite cleric, which means literally 'proof of Islam'
- home address — the address of one's house or flat
- home staging — the professional service of preparing homes for sale in such a way as to appeal to potential buyers and generate higher selling prices: Realtors who encourage sellers to invest in home staging are reporting substantial monetary returns—for both themselves and their clients.
- homeopathist — a person who practices or favors homeopathy.
- homesteaders — Plural form of homesteader.
- homesteading — a dwelling with its land and buildings, occupied by the owner as a home and exempted by a homestead law from seizure or sale for debt.
- homo habilis — an extinct species of upright East African hominid having some advanced humanlike characteristics, dated as being from about 1.5 million to more than 2 million years old and proposed as an early form of Homo leading to modern humans.
- homo sapiens — (italics) the species of bipedal primates to which modern humans belong, characterized by a brain capacity averaging 1400 cc (85 cubic in.) and by dependence upon language and the creation and utilization of complex tools.
- homodynamous — (biology) Pertaining to, or involving, homodynamy.
- homoeostasis — Alternative spelling of homeostasis.