12-letter words containing t, h, i, o, s
- automorphism — the practice of seeing others as having the same characteristics as oneself
- autorickshaw — (in India) a light three-wheeled vehicle driven by a motorcycle engine
- autotheistic — Self-worshiping; prideful in the extreme.
- bathophilous — (of an organism) living in very deep water
- best in show — an award to the dog, cat, or other animal judged best of all breeds in a competition.
- betting shop — A betting shop is a place where people can go to bet on something such as a horse race.
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- biorhythmics — the study of biorhythms
- biosynthesis — the formation of complex compounds from simple substances by living organisms
- biosynthetic — of, relating to, or characterized by biosynthesis, the formation of chemical compounds by a living organism, or a laboratory process modeled after these reactions in living organisms.
- bird's mouth — a right-angled notch cut in the underside of a rafter for fitting over a longitudinal member, as a wall plate.
- bloodthirsty — Bloodthirsty people are eager to use violence or display a strong interest in violent things. You can also use bloodthirsty to refer to very violent situations.
- bloody shirt — something, as a political issue or historical event, that can be used to stir up outrage, partisan support, etc.
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.
- boiled shirt — a dress shirt with a stiff front
- bolshevistic — of, relating to, or characteristic of Bolshevists or Bolshevism.
- bristlemouth — any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws.
- cartoonishly — in a cartoonish manner
- case history — A person's case history is the record of past events or problems that have affected them, especially their medical history.
- cataphoresis — electrophoresis
- catastrophic — Something that is catastrophic involves or causes a sudden terrible disaster.
- catch points — railway points designed to derail a train running back in the wrong direction to prevent collision with a following train
- chaetiferous — having bristles
- charity shop — A charity shop is a shop that sells used goods cheaply and gives its profits to a charity.
- charity toss — a free shot given as a penalty for a foul
- cheiloplasty — plastic surgery of the lip.
- chemiosmotic — relating to the process of chemiosmosis
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- china closet — a cabinet or cupboard for storing or exhibiting chinaware.
- chinese tour — a tour in which visitors are shown only what those in charge want them to see.
- chirognomist — someone who studies chirognomy
- chiropterans — Plural form of chiropteran.
- chisel point — a nail or spike with the point formed by two flat inclined sides meeting at a sharp angle.
- chocolatiers — Plural form of chocolatier.
- choirmasters — Plural form of choirmaster.
- chondrostian — relating to the class Chondrostei of fish with fin rays
- choreologist — a person who is expert in choreology
- christophany — an appearance or emergence of Christ following his crucifixion
- christophene — chayote.
- chromaticism — the use of chromatic tones.
- chromatopsia — an irregularity in the ability to see colours properly
- chronologist — a person versed in chronology.
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- close stitch — buttonhole stitch.
- clothes-line — a strong, narrow rope, cord, wire, etc., usually stretched between two poles, posts, or buildings, on which clean laundry is hung to dry.
- clotheslined — Simple past tense and past participle of clothesline.
- clotheslines — Plural form of clothesline.
- coast salish — (in Canada) a division of the peoples who speak Salish languages
- coding sheet — a form on which a program is written
- coenesthesia — general awareness of one's own body