13-letter words containing n, o, i, r
- bacteriogenic — Caused by bacteria.
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriotoxin — any toxin that kills bacteria
- bacterization — subjection to bacterial action
- baking powder — Baking powder is an ingredient used in cake making. It causes cakes to rise when they are in the oven.
- banderilleros — Plural form of banderillero.
- bandicoot rat — any of three burrowing rats of the genera Bandicota and Nesokia, of S and SE Asia: family Muridae
- banking hours — the hours during which a bank is open for business
- bargain offer — something for sale at a low price
- baritone clef — an F clef locating F below middle C on the third line of the staff.
- baroclinicity — a common state of fluid stratification in which surfaces of constant pressure and others of constant density are not parallel but intersect.
- baronial hall — a large building or room owned by a baron
- barosinusitis — aerosinusitis.
- bartholinitis — Inflammation of Bartholin's cyst.
- basic fortran — (language) A subset of Fortran.
- bass-baritone — a singer or voice in the bass range with baritone qualities
- baton twirler — someone who twirls a baton, esp a drum major or majorette
- batrachotoxin — a steroidal alkaloid, C31H42N2O6, found in the skin of certain Neotropical frogs (genus Phyllobates) and used on poison arrows: one of the most powerful natural neurotoxins known
- batting order — the sequence in which hitters will bat in a given game, determined in advance by the team manager.
- bazillionaire — (humorous) An incredibly rich person.
- be hard going — If you say that something is hard going, you mean it is difficult and requires a lot of effort.
- bearing sword — a large sword carried for its owner by a squire or servant because of its size.
- beehive round — an artillery shell that ejects thousands of naillike metal projectiles on exploding.
- benching iron — a triangular, pronged plate driven into the ground to provide a temporary bench mark or turning point.
- benito juarez — Benito (Pablo) [be-nee-taw pah-vlaw] /bɛˈni tɔ ˈpɑ vlɔ/ (Show IPA), 1806–72, president of Mexico 1857–72.
- bergamot mint — an aromatic herb, Mentha piperita citrata, having a lemonlike odor when crushed.
- bermuda onion — a large white or yellow onion with a mild flavor, grown in Texas, California, etc.
- bernoulli box — (storage) A high capacity storage device, Iomega Corporation's first popular product, that spins a mylar disk over a read-write head using the Bernoulli principle.
- bidirectional — (of a printhead) capable of printing from left to right and from right to left
- big brown bat — any of several small to medium-sized common bats of the genera Myotis and Eptesicus, found worldwide in caves, trees, and buildings, including M. lucifugus (little brown bat) and E. fuscus (big brown bat) a widespread North American species.
- bighorn-river — a river flowing from central Wyoming to the Yellowstone River in S Montana. 336 miles (540 km) long.
- bildungsroman — a novel concerned with a person's formative years and development
- bilinear form — a function or functional of two variables that is linear with respect to each variable when the other variable is held fixed.
- bill of entry — a list of goods received at a customs house for export or import
- binary weapon — a chemical weapon consisting of a projectile containing two substances separately that mix to produce a lethal agent when the projectile is fired
- bioconversion — the use of biological processes or materials to change organic substances into a new form, such as the conversion of waste into methane by fermentation
- bioenergetics — the study of energy transformations in living organisms and systems
- bird dismount — Hecht1 (def 1).
- birth control — Birth control means planning whether to have children, and using contraception to prevent having them when they are not wanted.
- birthing pool — a large bath in which a woman can give birth
- birthing room — a section of a hospital or an outpatient facility set aside and equipped for childbirth and usually simulating a home environment in which family members or friends may be present during the delivery.
- bishop's ring — a reddish-brown corona occasionally seen around the sun, caused by volcanic dust in the atmosphere.
- bitter almond — a variety of almond whose bitter seeds yield hydrocyanic acid upon hydrolysis
- bitter orange — a globose, reddish-yellow, bitter or sweet, edible citrus fruit.
- blamestorming — a discussion or meeting for the purpose of assigning blame.
- bloodcurdling — terrifying; horrifying
- board meeting — a meeting of the board of a company or other organization
- boarding card — A boarding card is a card which a passenger must have when boarding a plane or a boat.
- boarding fees — fees paid for boarding at a school
- boarding pass — A boarding pass is a card that a passenger must have when boarding a plane or a boat.