11-letter words containing c, o, h
- archaeornis — an extinct primitive Jurassic bird, formerly placed in the genus Archaeornis but now thought to be a species of archaeopteryx
- archaeozoic — Archeozoic
- archbishops — Plural form of archbishop.
- archdeacons — Plural form of archdeacon.
- archdiocese — An archdiocese is the area over which an archbishop has control.
- archdukedom — the territory ruled by an archduke or archduchess
- archegonial — relating to an archegonium
- archegonium — a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
- archenteron — the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity
- archeologic — (American spelling) alternative spelling of archaeologic.
- archeometry — the branch of archaeology that deals with the dating of archaeological specimens through specific techniques, as radiocarbon dating and amino-acid dating.
- archicortex — (anatomy) Part of the allocortex, specifically three layered hippocampal cortexes necessary for hippocampus formation.
- archilochus — 7th century bc, Greek poet of Paros, notable for using his own experience as subject matter
- archipelago — An archipelago is a group of islands, especially small islands.
- architector — (obsolete) An architect.
- archtraitor — A chief or transcendent traitor.
- arctophilia — the practice of collecting teddy bears
- areographic — relating to areography
- arthrectomy — surgical excision of a joint
- arthroscope — a tubular instrument that is inserted into the capsule of a joint to examine the joint, extract tissue, etc
- arthroscopy — the use of an arthroscope to diagnose an injury to or disease of a joint or to perform minor surgery on a joint.
- atherectomy — the removal of plaque from an artery by means of a tiny rotating cutting blade inserted through a catheter.
- atherogenic — causing atheroma
- atmospheric — Atmospheric is used to describe something which relates to the Earth's atmosphere.
- atomic heat — the product of an element's atomic weight and its specific heat (capacity)
- attophysics — the physics of structures and artefacts with dimensions in the attometre range or of devices, such as lasers, capable of producing pulses with a duration measured in attoseconds
- authorcraft — the skilled ability of an author
- autocephaly — the state of being autocephalous.
- autochanger — a device in a record player or CD player that enables a small stack of records or CDs to be dropped automatically onto the turntable or player tray one at a time and played separately
- autochthons — Plural form of autochthon.
- autochthony — pertaining to autochthons; aboriginal; indigenous (opposed to heterochthonous).
- autographic — of, for, or like an autograph or autographs
- automorphic — shaped and designed after oneself
- autotrophic — (of organisms such as green plants) capable of manufacturing complex organic nutritive compounds from simple inorganic sources such as carbon dioxide, water, and nitrates, using energy from the sun
- auxochromic — any radical or group of atoms that intensifies the color of a substance.
- auxotrophic — designating or of a mutant organism requiring more nutritional substances than its prototrophic parent because it has lost the ability to make a certain enzyme
- bachelordom — the state of being a bachelor; bachelorhood
- bachelorism — bachelorhood
- back anchor — a small anchor for backing a larger one.
- baldacchino — baldachin
- ball hockey — a game similar to ice hockey, but played on foot on a hard surface without ice, using a hard plastic ball instead of a puck
- bar cocheba — Simon, died a.d. 135, Hebrew leader of insurrection against the Romans a.d. 132–135.
- baranovichi — a city in W central Belarus, SW of Minsk.
- barographic — Measured using a barograph.
- baron-cohen — Sacha. born 1970, British television and film comedian, best known for his creation of the characters Ali G and Borat
- batholithic — Containing or relating to batholith.
- beach house — a holiday house overlooking a beach
- beach towel — a large towel used on the beach
- beachcomber — A beachcomber is someone who spends their time wandering along beaches looking for things they can use.
- bedclothing — bedclothes; bedding.