18-letter words containing ir
- a bird in the hand — A bird in the hand is something that you already have and do not want to risk losing by trying to get something else.
- acquired behaviour — the behaviour of an organism resulting from the effects of the environment
- acquired character — a modification of structure or function caused by environmental factors: now generally regarded as not inheritable
- admirable crichton — a comedy (1902) by Sir James M. Barrie.
- affirmative action — Affirmative action is the policy of giving jobs and other opportunities to members of groups such as racial minorities or women who might not otherwise have them.
- agri-environmental — of or relating to the impact of agricultural practices on the environment
- aids-related virus — a variant of the AIDS virus. Abbreviation: ARV.
- air national guard — a national guard organization similar to and coordinate with the U.S. Air Force.
- air-to-air missile — a missile fired from an aircraft that targets other aircraft in flight
- air-to-sea missile — a missile fired from an aircraft that has a target on the sea
- airman first class — the third lowest enlisted rank in the US Air Force, above airman and below senior airman
- airspeed indicator — a dial that indicates the airspeed at which an aircraft is travelling
- anti-aircraft fire — the discharging of weapons, artillery, etc aimed at destroying enemy aircraft
- antivirus software — (tool) Programs to detect and remove computer viruses. The simplest kind scans executable files and boot blocks for a list of known viruses. Others are constantly active, attempting to detect the actions of general classes of viruses. antivirus software should always include a regular update service allowing it to keep up with the latest viruses as they are released.
- associate director — a person who is joined with one or more other directors in an enterprise, business, etc, having equal or nearly equal status
- avoirdupois weight — a British and American system of weights based on a pound of 16 ounces
- bird's-foot violet — a North American violet (Viola pedata) having divided leaves and large blue or purple flowers
- bird's-nest fungus — any fungus of the family Nidulariaceae, having a nestlike spore-producing body containing egglike spore-filled structures
- bird's-nest orchid — a brown parasitic Eurasian orchid, Neottia nidus-avis, whose thick fleshy roots resemble a bird's nest and contain a fungus on which the orchid feeds
- birds of a feather — If you refer to two people as birds of a feather, you mean that they have the same interests or are very similar.
- birth control pill — an oral contraceptive for women, containing the hormones estrogen and progesterone or progesterone alone, that inhibits ovulation, fertilization, or implantation of a fertilized ovum, causing temporary infertility.
- birth-control pill — an oral contraceptive for women, containing the hormones estrogen and progesterone or progesterone alone, that inhibits ovulation, fertilization, or implantation of a fertilized ovum, causing temporary infertility.
- board of directors — A company's board of directors is the group of people elected by its shareholders to manage the company.
- brazilian sapphire — a blue variety of tourmaline used as a gem: not a true sapphire.
- bread and circuses — something offered as a means of distracting attention from a problem or grievance
- brewer's blackbird — a blackbird, Euphagus cyanocephalus, of the U.S., the male of which has greenish-black plumage with a purplish-black head.
- camel's-hair brush — an artist's small brush, made of hair from a squirrel's tail
- cassiopeia's chair — the five brightest stars in the constellation Cassiopeia that seem to form the shape of a W or M
- chinese fire drill — a state of chaotic, often clamorous disorder.
- circular breathing — a technique for sustaining a phrase on a wind instrument, using the cheeks to force air out of the mouth while breathing in through the nose
- circular dichroism — selective absorption of one of the two possible circular polarizations of light.
- circulating medium — currency serving as a medium of exchange
- circulatory system — the system concerned with the transport of blood and lymph, consisting of the heart, blood vessels, lymph vessels, etc
- circumnavigational — Relating to circumnavigation.
- colonic irrigation — Colonic irrigation is a medical procedure in which a person's colon is washed by injecting water or other fluids into it.
- conversation chair — an English chair of the 18th century designed to be straddled facing the back of the chair with the elbows resting on the crest rail: an English imitation of the voyeuse.
- depth-first search — (algorithm) A graph search algorithm which extends the current path as far as possible before backtracking to the last choice point and trying the next alternative path. Depth-first search may fail to find a solution if it enters a cycle in the graph. This can be avoided if we never extend a path to a node which it already contains. Opposite of breadth first search. See also iterative deepening.
- direct examination — the first interrogation of a witness by the side that has called that witness.
- directional signal — any of four signal lights on the front left, front right, rear left, and rear right of an automotive vehicle that, when actuated by the driver, flash in pairs on the side toward which a turn is to be made.
- divine inspiration — insight provided by higher power
- electrical circuit — An electrical circuit is a complete route that an electric current can flow around.
- entry requirements — the types and grades of examination required to enter a university
- environment agency — an official agency providing information on environmental issues, esp rivers, flooding and pollution
- epstein-barr virus — a virus belonging to the herpes family that causes infectious mononucleosis; it is also implicated in the development of Burkitt's lymphoma and Hodgkin's disease
- equine herpesvirus — a viral disease of horses that may cause respiratory signs, abortion, neonatal death, and paresis. A vaccine is available against this disease
- equinoctial circle — celestial equator
- equivalent circuit — an arrangement of simple electrical components that is electrically equivalent to a complex circuit and is used to simplify circuit analysis
- evapotranspiration — The process by which water is transferred from the land to the atmosphere by evaporation from the soil and other surfaces and by transpiration from plants.
- executive chairman — the most senior internal position within a company, combining the duties of chairman and chief executive
- executive director — a member of the board of directors of a company who is also an employee (usually full-time) of that company and who often has a specified area of responsibility, such as finance or production
On this page, we collect all 18-letter words with IR. It’s easy to find right word with a certain length. It is the easiest way to find 18-letter word that contains IR to use in Scrabble or Crossword puzzles.