10-letter words containing h, o, l, a
- bioethanol — a biofuel based on alcohol which may be combined with petrol for use in vehicles
- black hole — Black holes are areas in space, where gravity is so strong that nothing, not even light, can escape from them. Black holes are thought to be formed by collapsed stars.
- blackthorn — a thorny Eurasian rosaceous shrub, Prunus spinosa, with black twigs, white flowers, and small sour plumlike fruits
- blood bath — a killing of many people; massacre
- blood heat — Blood heat is a temperature of 37°C, which is about the same as the normal temperature of the human body.
- bluethroat — a small brownish European songbird, Cyanosylvia svecica, related to the thrushes, the male of which has a blue throat: family Muscicapidae
- bobble hat — A bobble hat is a woollen hat with a bobble on it.
- bobblehead — a collectable doll with a bobbing oversized head representing a celebrity or a cartoon character
- bohmerwald — German name of Bohemian Forest.
- bottlehead — bottlenose (def 2).
- bowler hat — A bowler hat is a round, hard, black hat with a narrow brim which is worn by men, especially British businessmen. Bowler hats are no longer very common.
- brachylogy — a concise style in speech or writing
- brahmaloka — the highest part of Kamaloka, where refined souls exist in blissful contemplation of Brahma.
- broadcloth — fabric woven on a wide loom
- cablephoto — a photographic image transmitted via cable, especially for use by newspapers or in police work.
- calciphobe — calcifuge.
- call forth — to cause (something) to come into action or existence
- call house — a house or apartment used by prostitutes for arranging or keeping assignations.
- canophilia — the love of dogs
- capnophile — (biology) A microorganism that requires or grows best in presence of high concentrations of carbon dioxide.
- cardholder — A cardholder is someone who has a bank card or credit card.
- carphology — the action of grasping at imaginary objects or plucking at one's bed linen, a characteristic of people affected by delirium
- cartophile — a cartophilist
- cartophily — the hobby of collecting cigarette cards
- cased hole — A cased hole is the part of the wellbore with metal casing and cementing.
- catch cold — to become ill with a cold
- catch-colt — the offspring of a mare bred accidentally.
- catholicon — a remedy for all ills; panacea
- catholicos — the patriarch of the Armenian Church
- catholicus — catholicos.
- cellophane — Cellophane is a thin, transparent material that is used to wrap things.
- cephalonia — a mountainous island in the Ionian Sea, the largest of the Ionian Islands, off the W coast of Greece. Pop: 36 404 (2001). Area: 935 sq km (365 sq miles)
- cephalopod — any marine mollusc of the class Cephalopoda, characterized by well-developed head and eyes and a ring of sucker-bearing tentacles. The group also includes the octopuses, squids, cuttlefish, and pearly nautilus
- chalazions — Plural form of chalazion.
- chalcedony — a microcrystalline often greyish form of quartz with crystals arranged in parallel fibres: a gemstone. Formula: SiO2
- chalcocite — a lead-grey or black mineral, found as a copper ore or in veins. It is a source of copper. Composition: copper sulphide. Formula: Cu2S. Crystal structure: orthorhombic
- chalcolite — torbernite.
- chalkboard — A chalkboard is a dark-coloured board that you can write on with chalk. Chalkboards are often used by teachers in the classroom.
- chalkstone — tophus
- chamaeleon — a faint constellation lying between Volans and the South celestial pole
- chameleons — Plural form of chameleon.
- chamomiles — Plural form of chamomile.
- chancellor — Chancellor is the title of the head of government in Germany and Austria.
- channel op — (messaging) /chan'l op/ (Or "op", "chan op", "chop") Someone who is endowed with privileges on a particular IRC channel. These privileges include the right to kick users, to change various status bits and to make others into CHOPs. The full form, "channel operator", is almost never used.
- charbroils — Third-person singular simple present indicative form of charbroil.
- charleston — The Charleston is a lively dance that was popular in the 1920s.
- charlottes — Plural form of charlotte.
- chelonians — Plural form of chelonian.
- chilognath — any member of the diplopod subclass Chilognatha, including millipedes having exoskeletons heavily sclerotized with calcium carbonate.
- chilomonad — any of the colorless protozoalike algae of the genus Chilomonas (phylum Cryptophyta), chiefly saprozoic flagellates found in fresh waters that have become stagnant: popular in laboratory studies.