12-letter words containing er
- bladder fern — a small fern, Cystoperis fragilis, with graceful lanceolate leaves, typically growing on limestone rocks and walls
- bladder kelp — any of various giant brown algae with air bladders that buoy up the leafy portions
- bladder worm — an encysted saclike larva of the tapeworm. The main types are cysticercus, hydatid, and coenurus
- bladderwrack — any of several seaweeds of the genera Fucus and Ascophyllum, esp F. vesiculosus, that grow in the intertidal regions of rocky shores and have branched brown fronds with air bladders
- blastosphere — blastula
- blatherskite — a talkative silly person
- blaue reiter — der Blaue Reiter. a group of German expressionist painters formed in Munich in 1911, including Kandinsky and Klee, who sought to express the spiritual side of man and nature, which they felt had been neglected by impressionism
- bleeder tile — a terra-cotta pipe for conveying water from a drainage tile to a sewer or drain.
- bletheration — nonsense!
- bletherskate — a blatherer
- blind corner — a corner where the view of the road ahead is completely obscured or very restricted
- blind roller — a long ocean swell that rises almost to breaking as it passes over shoals.
- blister pack — a type of packet in which small items are displayed and sold, consisting of a transparent dome of plastic or similar material mounted on a firm backing such as cardboard
- blister rust — a disease of certain pines caused by rust fungi of the genus Cronartium, causing swellings on the bark from which orange masses of spores are released
- blisteringly — causing a blister or blisters.
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- block letter — a plain capital letter
- blood sister — a sister by birth
- bloodcurdler — something causing great fright or horror: a bloodcurdler of a mystery novel.
- blue norther — a cold north wind that brings rapidly falling temperatures.
- blue pointer — a large shark, Isuropsis mako, of Australian coastal waters, having a blue back and pointed snout
- blue swimmer — an edible bluish Australian swimming crab, Portunus pelagicus
- board member — a member of board of directors
- boarder baby — an infant or young child who is abandoned or orphaned and left in a hospital for lack of a foster home.
- bobbery pack — a mixed pack of hunting dogs, often not belonging to any of the hound breeds
- body bolster — the lower transverse member of a car body to which the body center plate is attached.
- body scanner — a machine using X-rays and a computer, used in medicine to look for signs of disease, or in security operations to look for drugs, weapons, etc
- bogon filter — /boh'gon fil'tr/ Any device, software or hardware, that limits or suppresses the flow and/or emission of bogons. "Engineering hacked a bogon filter between the Cray and the VAXen, and now we're getting fewer dropped packets." See also bogosity.
- boiler house — a building housing a boiler
- boilermaking — metal-working in heavy industry; plating or welding
- boisterously — rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
- bomb shelter — a shelter, usually underground, in which people take refuge from bomb attacks
- bomber pilot — the pilot of a bomber
- bond servant — a person who serves in bondage; slave.
- bonnyclabber — clotted or curdled milk
- bonus number — (in the National Lottery) a number announced after the normal six numbers which influences the amount of prize money paid
- boomer state — Oklahoma
- boomeranging — a bent or curved piece of tough wood used by the Australian Aborigines as a throwing club, one form of which can be thrown so as to return to the thrower.
- booster dose — a supplementary injection of a vaccine given to maintain the immunization provided by an earlier dose
- booster pump — A booster pump is a pump which is used where pressure is low and needs to be increased.
- booster seat — A booster seat or a booster cushion is a special seat which allows a small child to sit in a higher position, for example at a table or in a car.
- booster shot — an injection of a vaccine or other antigen some time after the initial series of injections, for maintaining immunity
- boot-scraper — a contraption consisting of an upright metal shape formerly placed outside some houses to enable people to scrape the mud from their boots before going in
- border guard — a guard stationed on a border between countries
- border light — a striplight hung upstage of a border, for lighting the stage.
- border state — a state adjacent to a border
- border taxes — taxes payable on goods taken across a border
- bossier city — city in NW La., on the Red River opposite Shreveport: pop. 56,000
- bottled beer — beer in a bottle, rather than from a barrel
- bottlewasher — a person or machine that washes bottles.