11-letter words containing r, h, o
- herpetology — the branch of zoology dealing with reptiles and amphibians.
- herringbone — a pattern consisting of adjoining vertical rows of slanting lines, any two contiguous lines forming either a V or an inverted V , used in masonry, textiles, embroidery, etc.
- herzegovina — a historic region in SE Europe: a former Turkish province; a part of Austria-Hungary 1878–1914; now part of Bosnia and Herzegovina.
- hesperornis — a toothed aquatic bird of the extinct genus Hesperornis, fossils of which are found in rocks of Cretaceous age in Kansas, having the rear legs modified for swimming and reaching a length of more than 4 feet (1.2 meters).
- heteroatoms — Plural form of heteroatom.
- heteroauxin — indoleacetic acid.
- heterocarpy — the production of more than one kind of fruit in one plant.
- heterocercy — the condition or state of having a heterocercal tail
- heteroclite — irregular or abnormal; anomalous.
- heterocycle — (organic chemistry) A heterocyclic compound or ring.
- heterodoxly — In a heterodox manner.
- heterodyned — Simple past tense and past participle of heterodyne.
- heteroecism — the development of different stages of a parasitic species on different host plants.
- heterogenic — of, relating to, or characterized by heterogenesis.
- heterogonic — exhibiting allometry
- heterograft — xenograft.
- heterolayer — Any of a series of thin layers of different materials in a semiconductor (or similar) device.
- heterolysis — The dissolution of cells by lysins or enzymes from different species.
- heterolytic — Of or pertaining to heterolysis.
- heteromorph — (zoology) An ammonite whose shell is unusual in not being a regular spiral.
- heterophemy — The use of one word or phrase when another is meant.
- heterophile — Able to react immunologically with material from another species.
- heterophobe — Someone who suffers from heterophobia.
- heterophone — A word whose spelling and sound both differ from another\u2019s.
- heterophony — the simultaneous performance of the same melodic line, with slight individual variations, by two or more performers.
- heterophyte — a plant that secures its nutrition directly or indirectly from other organisms; a parasite or saprophyte.
- heteroplasm — (pathology) Tissue growing in a part of the body where it does not normally occur.
- heteroploid — (biology) Having a chromosome number that is neither the haploid nor the diploid number normal in the species.
- heteropolar — polar (def 4).
- heteroptics — incorrect or perverted perception of what is seen; hallucinatory vision.
- heteroscian — a name applied to the people who live in temperate zones, so given because in these areas shadows created by the sun at noon will fall in opposite directions
- heterospory — the production of both microspores and megaspores.
- heterostyly — the condition in certain plants, such as primroses, of having styles of different lengths, each type of style in flowers on different plants, which promotes cross-pollination
- heterotaxia — abnormal or irregular arrangement, as of parts of the body, geological strata, etc.
- heterotaxic — of, relating to, or characterized by heterotaxis.
- heterotaxis — abnormal or irregular arrangement, as of parts of the body, geological strata, etc.
- heterotelic — (of an entity or event) having the purpose of its existence or occurrence outside of or apart from itself.
- heterotherm — Any heterothermic organism.
- heterotopia — misplacement or displacement, as of an organ.
- heterotrich — any ciliate of the suborder Heterotricha, having the body covered uniformly with short cilia.
- heterotroph — Biology. an organism requiring organic compounds for its principal source of food.
- heterotypic — of or relating to the first or reductional division in meiosis.
- hexahedrons — Plural form of hexahedron.
- hexahemeron — hexaemeron.
- hexahydroxy — (of a molecule) containing six hydroxyl groups.
- hexyl group — any of five univalent, isomeric groups having the formula C 6 H 13 −.
- hibernation — Zoology. to spend the winter in close quarters in a dormant condition, as bears and certain other animals. Compare estivate.
- hibernators — Plural form of hibernator.
- hicky-horse — a seesaw.
- hierodeacon — a monk who is also a deacon.