13-letter words containing a, c, i, d, h, o
- dodecaphonist — a user of the twelve-tone system of serial music
- dolichocephal — a person with a head much longer than it is broad
- dolichocranic — dolichocephalic.
- dolichosaurus — any of various extinct Cretaceous aquatic reptiles that had long necks and bodies and well-developed limbs
- downhill race — a competitive event in which skiers are timed in a downhill run
- drop a stitch — to allow a loop of wool to fall off a knitting needle accidentally while knitting
- dutch auction — a method of auction consisting in the offer of a property at a price above the actual value and then at gradually reduced prices until a buyer is found.
- dyothelitical — relating to dyotheletism
- endobronchial — (anatomy) Pertaining to the lining of the bronchi.
- endolymphatic — (anatomy) Pertaining to, or containing, endolymph.
- epitrochoidal — Being or relating to an epitrochoid.
- ethanoic acid — acetic acid
- folding chair — a chair that can be collapsed flat for easy storage or transport.
- friction head — (in a hydraulic system) the part of a head of water or of another liquid that represents the energy that the system dissipates through friction with the sides of conduits or channels and through heating from turbulent flow.
- gonadotrophic — Of, pertaining to, or stimulating the functions of the gonads.
- haemodynamics — a branch of physiology that deals with the circulation of the blood
- hemichordates — Plural form of hemichordate.
- heptadecanoic — as in heptadecanoic acid, a saturated fatty acid, aka margaric acid
- hero sandwich — a large sandwich, usually consisting of a small loaf of bread or long roll cut in half lengthwise and containing a variety of ingredients, as meat, cheese, lettuce, and tomatoes.
- heroin addict — sb dependent on heroin
- hexanoic acid — caproic acid.
- homoscedastic — having the same variance.
- hydroaerobics — aerobic exercises performed in water, as in a swimming pool.
- hydrocephalic — of or relating to hydrocephalus.
- hydrocracking — the cracking of petroleum or the like in the presence of hydrogen.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hydrofracking — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydropathical — Alternative form of hydropathic.
- hydrostatical — Alternative form of hydrostatic.
- hypo-chondria — Also, hypochondriasis [hahy-poh-kuh n-drahy-uh-sis] /ˌhaɪ poʊ kənˈdraɪ ə sɪs/ (Show IPA). Psychiatry. an excessive preoccupation with one's health, usually focusing on some particular symptom, as cardiac or gastric problems.
- hypochondriac — Also, hypochondriacal, H05/H0509000 hahy-poh-kuh n-drahy-uh-kuh l, ˌhaɪ poʊ kənˈdraɪ ə kəl. Psychiatry. pertaining to or suffering from hypochondria, an excessive preoccupation with and worry about one's health: The comedy is aimed at the hypochondriac demographic. produced by hypochondria: Hypochondriac feelings overwhelmed her.
- ichthyopsidan — a member of the class Ichthyopsida
- ideographical — Alternative form of ideographic.
- ides of march — 15th March: ominous date
- idiochromatic — (of a mineral) deriving a characteristic color from its capacity to absorb certain light rays.
- interchondral — of or relating to cartilage or a cartilage.
- jodhpuri coat — a coat worn by men in India, similar to but shorter than a sherwani
- korf, richard — Richard Korf
- launch window — a precise time period during which a spacecraft can be launched from a particular site in order to achieve a desired mission, as a rendezvous with another spacecraft.
- lizard orchid — a European orchid, Himantoglossum hircinum, rare in Britain, having a spike of grey-green flowers smelling of goats
- load the dice — anything put in or on something for conveyance or transportation; freight; cargo: The truck carried a load of watermelons.
- matchboarding — a construction of matchboards.
- method acting — film, theater: acting approach
- methodistical — Methodistic.
- mitochondrial — (cytology) Of, or relating to mitochondria.
- nodical month — Also called calendar month. any of the twelve parts, as January or February, into which the calendar year is divided.
- nonmechanized — Unmechanized.
- open sandwich — a sandwich served on only one slice of bread, without a covering slice.
- orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
- orchidomaniac — a person who is obsessed with or has a passion for orchids