16-letter words containing a, c, e, r, b
- gibberellic acid — a gibberellin C 18 H 21 O 4 COOH, produced as a metabolite by the fungus Gibberella fujikuroi, used as a stimulator of plant growth.
- globular cluster — a comparatively older, spherically symmetrical, compact group of up to a million old stars, held together by mutual gravitation, that are located in the galactic halo and move in giant and highly eccentric orbits around the galactic center.
- ground substance — Also called matrix. the homogeneous substance in which the fibers and cells of connective tissue are embedded.
- growth substance — any substance, produced naturally by a plant or manufactured commercially, that, in very low concentrations, affects plant growth; a plant hormone
- horseback riding — activity: riding a horse
- icterine warbler — a European variety of tree warbler (Hippolais icterina )
- imperfectability — The quality of not being perfectable; of being forever imperfect.
- incommensurables — Plural form of incommensurable.
- incontravertable — Misspelling of incontrovertible.
- incorporated bar — (in some states) a system of bar associations to which all lawyers are required to belong.
- indescribability — (uncountable) The state or characteristic of being indescribable.
- insurance broker — person who sells insurance policies
- intercalibration — to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).
- irreplaceability — The quality of being irreplaceable; inability to be replaced; (frequently) uniqueness.
- kentucky warbler — a wood warbler, Oporornis formosus, of the U.S., olive-green above, yellow below, and marked with black on the face.
- khakass republic — a constituent republic of S central Russia, formerly in Krasnoyarsk Territory: formed in 1930. Capital: Abakan. Pop: 546 100 (2002). Area: 61 900 sq km (23 855 sq miles)
- knapsack problem — the problem of determining which numbers from a given collection of numbers have been added together to yield a specific sum: used in cryptography to encipher (and sometimes decipher) messages.
- krebs urea cycle — urea cycle.
- labrador current — a cold ocean current flowing southwards off the coast of Labrador and meeting the warm Gulf Stream, causing dense fogs off the coast of Newfoundland
- liberal democrat — In Britain, a Liberal Democrat is a member of the Liberal Democrat Party.
- library pictures — a caption used to alert viewers that footage being broadcast is from an earlier time and is not happening now
- lick observatory — the astronomical observatory of the University of California, situated on Mount Hamilton, near San Jose, California, and having a 120-inch (3-meter) reflecting telescope and a 36-inch (91-cm) refracting telescope.
- lord chamberlain — (in Britain) the chief official of the royal household
- low-carbon steel — steel containing between 0.04 and 0.25 per cent carbon
- lumberjack shirt — a thick checked shirt, as worn by lumberjacks
- machine readable — of or relating to data encoded on an appropriate medium and in a form suitable for processing by computer.
- machine-readable — of or relating to data encoded on an appropriate medium and in a form suitable for processing by computer.
- magnetic bearing — the bearing of a point relative to that of the nearest magnetic pole.
- man on horseback — a military leader who presents himself as the savior of the country during a period of crisis and either assumes or threatens to assume dictatorial powers.
- mari el republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Yoshkar-Ola. Pop: 728 000 (2002). Area: 23 200 sq km (8955 sq miles)
- megakaryoblastic — (cytology) Of or pertaining to a megakaryoblast.
- modacrylic fiber — any of various synthetic copolymer textile fibers, as Dynel, containing less than 85 percent but more than 35 percent of acrylonitrile.
- mossbauer effect — the phenomenon in which an atom in a crystal undergoes no recoil when emitting a gamma ray, giving all the emitted energy to the gamma ray, resulting in a sharply defined wavelength.
- mountain climber — someone who climbs or walks up mountains
- multituberculate — a rodentlike mammal of the extinct order Multituberculata, which lived from the late Jurassic Period to the Oligocene Epoch, reaching the size of a woodchuck and having molars with two or three rows of simple pointed cusps.
- new smyrna beach — a town in NE Florida.
- nitrogen balance — the difference between the amount of nitrogen taken in and the amount excreted or lost: used to evaluate nutritional balance.
- nitrous bacteria — bacteria that convert ammonia to nitrites in the soil
- non-bureaucratic — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
- non-carbohydrate — any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the supporting tissues of plants and are important food for animals and people.
- non-reconcilable — capable of being reconciled.
- north palm beach — a town in E Florida.
- nubuck (leather) — tanned leather similar to suede, but with the nap on the grain side
- nuclear membrane — the double membrane surrounding the nucleus within a cell.
- nuclear umbrella — a guarantee from a country or state that possesses nuclear weapons to a country that does not that they will defend them
- numbered account — a bank account whose owner is identified by a number for the purpose of preserving anonymity.
- objective danger — a danger, such as a stone fall or avalanche, to which climbing skill is irrelevant
- observation deck — an area on a high building that is surrounded with railings or fencing and which provides panoramic views
- onboard computer — onboard a vehicle, ship, plane, train or spacecraft
- orbital velocity — the minimum velocity at which a body must move to maintain a given orbit.