11-letter words containing h, o
- arachidonic — related to arachidonic acid or the derivatives of arachidonic acid
- arachis oil — peanut oil.
- arachnoidal — relating to the arachnoid
- arachnology — the study of arachnids
- araneomorph — (zoology) Any of the Araneomorphae, a suborder of spiders whose fangs cross with a pinching action.
- archaeocyte — (in sponges) a type of amoebocyte capable of developing into other types of cells, especially reproductive cells.
- archaeology — Archaeology is the study of the societies and peoples of the past by examining the remains of their buildings, tools, and other objects.
- 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
- armory show — an international art show held in a New York City armory in 1913: considered a landmark in the public and critical acceptance of modern art.
- aroint thee — away! begone!
- aron kodesh — Holy Ark.
- arrhenotoky — a form of parthenogenesis which produces only male offspring
- arrowheaded — Shaped like the head of an arrow; cuneiform; cuneatic.
- arsonphobia — Pyrophobia.
- art history — study of art through the ages
- arthrectomy — surgical excision of a joint
- arthrodesis — the fusion of bones in a joint through surgery which causes immobility of the joint
- arthrograms — Plural form of arthrogram.
- arthropathy — a disease of a joint
- arthropodan — relating to arthropods
- 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.
- arthrospore — a sporelike cell of ascomycetous fungi and some algae produced by a breaking of the hyphae
- arthur monk — (James) Arthur ("Art") born 1957, U.S. football player.
- artophorion — pyx (def 1a).
- ashwaubenon — a town in E Wisconsin.
- asphyxiator — to produce asphyxia in.
- astonishing — Something that is astonishing is very surprising.
- astraphobia — a fear of thunder and lightning
- astrography — The art of describing or delineating the stars; a description or mapping of the heavens.
- astrophobia — A fear of stars and celestial space.
- astrophyton — The giant basket star, an early Mesozoic invertebrate.
- astrosphere — the part of the aster excluding the centrosome