12-letter words containing c, h, e, m, o
- synecdochism — the use of synecdoche
- t lymphocyte — any of several closely related lymphocytes, developed in the thymus, that circulate in the blood and lymph and orchestrate the immune system's response to infected or malignant cells, either by lymphokine secretions or by direct contact: helper T cells recognize foreign antigen on the surfaces of other cells, then they stimulate B cells to produce antibody and signal killer T cells to destroy the antigen-displaying cells; subsequently suppressor T cells return the immune system to normal by inactivating the B cells and killer T cells.
- t-lymphocyte — T cell.
- tampico hemp — a stiff fiber obtained from the leaves of various species of Agave, as A. falcata or A. sisalana.
- technomaniac — a person with an obsessional enthusiasm for technology
- tetrachotomy — the segmentation of something into four parts
- tetramorphic — (in art) of or related to a composite representation of the four evangelists' symbols
- the mesozoic — the Mesozoic era
- the olympics — the Olympic Games
- themistocles — 527?–460? b.c, Athenian statesman.
- theocentrism — having God as the focal point of thoughts, interests, and feelings: theocentric philosophy.
- theoclymenus — (in the Odyssey) a seer who foretold the return of Odysseus and the death of Penelope's suitors.
- thermocouple — a device that consists of the junction of two dissimilar metallic conductors, as copper and iron, in which an electromotive force is induced when the conductors are maintained at different temperatures, the force being related to the temperature difference: used to determine the temperature of a third substance by connecting it to the junction of the metals and measuring the electromotive force produced.
- thermometric — an instrument for measuring temperature, often a sealed glass tube that contains a column of liquid, as mercury, that expands and contracts, or rises and falls, with temperature changes, the temperature being read where the top of the column coincides with a calibrated scale marked on the tube or its frame.
- thermophilic — growing best in a warm environment.
- thermostatic — a device, including a relay actuated by thermal conduction or convection, that functions to establish and maintain a desired temperature automatically or signals a change in temperature for manual adjustment.
- thermotropic — oriented growth of an organism in response to heat.
- thoracectomy — excision of part or all of a rib.
- thrombectomy — surgical removal of a blood clot from a blood vessel.
- thymectomize — to surgically remove the thymus; to perform a thymectomy
- touch system — a system of typing in which each finger is assigned to one or more keys, thereby enabling a person to type without looking at the keyboard.
- touch-me-not — any of several plants belonging to the genus Impatiens, of the balsam family, especially I. noli-tangere, bearing pods that, when ripe, burst on being touched, scattering the seeds.
- tracheostomy — the construction of an artificial opening through the neck into the trachea, usually for the relief of difficulty in breathing.
- trench mouth — Vincent's angina.
- trichotomize — to divide into three parts or categories
- trocheameter — a device that records the distance that a motor vehicle has travelled
- trochelminth — any invertebrate of the phylum Trochelminthes (now usually broken up into several phyla), comprising the rotifers, gastrotrichs, and several other forms.
- unmethodical — characterized by lack of method or disorderliness
- urethrectomy — excision or removal of part or all of the urethra.
- very much so — The expression very much so is an emphatic way of answering 'yes' to something or saying that it is true or correct.
- woman-chaser — a philanderer; womanizer.
- x chromosome — a sex chromosome of humans and most mammals that determines femaleness when paired with another X chromosome and that occurs singly in males.
- x-chromosome — a sex chromosome of humans and most mammals that determines femaleness when paired with another X chromosome and that occurs singly in males.
- y chromosome — a sex chromosome of humans and most mammals that is present only in males and is paired with an X chromosome.
- y-chromosome — a sex chromosome of humans and most mammals that is present only in males and is paired with an X chromosome.
- zoochemistry — the branch of chemistry dealing with the constituents of the animal body; animal chemistry.
- zymotechnics — the art of managing the fermentation process