right-hand rule — noun : a rule in electricity: if the thumb, the forefinger, and the middle finger of the right hand are bent at right angles to one another with the thumb pointed in the direction of motion of a conductor relative to a magnetic field and the… … Useful english dictionary
Thumb wrestling — (also Thumb war) is a popular children s game played with two players, or in tournaments. It is often played in situations where larger or more complicated games might be inappropriate: in the car, a restaurant, or school. Players hook the four… … Wikipedia
thumb — 1 noun (C) 1 the part of your hand that is shaped like a thick short finger and helps you to hold things: a baby sucking its thumb 2 the part of a glove that fits over your thumb 3 be all (fingers and) thumbs informal to be unable to do things… … Longman dictionary of contemporary English
thumb — I UK [θʌm] / US noun [countable] Word forms thumb : singular thumb plural thumbs ** a) the part at the side of your hand that is like a wide finger She lifted the note carefully between finger and thumb. b) the part of a glove that covers your… … English dictionary
Science and invention in Birmingham — Birmingham is the second largest city in the United Kingdom. It is one of the country s principal industrial centres and has an impressive history of industrial and scientific innovation.16th century1547: Although no record is kept to indicate… … Wikipedia
thumb — thumb1 [ θʌm ] noun count ** the part at the side of your hand that is like a wide finger: She lifted the note carefully between finger and thumb. a. the part of a GLOVE that covers your thumb b. jerk/jab/cock your thumb to point your thumb at… … Usage of the words and phrases in modern English
thumb — thumb1 [θʌm] n ↑finger, ↑fingernail, ↑thumb [: Old English; Origin: thuma] 1.) the part of your hand that is shaped like a thick short finger and helps you to hold things ▪ a baby sucking its thumb ▪ She held the coin carefully between finger and … Dictionary of contemporary English
History of Indian science and technology — [ thumb|200px|right|Hand propelled wheel cart, Indus Valley Civilization (3000–1500 BCE). Housed at the National Museum, New Delhi.] [ thumb|right|200px|The Pundit (explorer) and Indian cartographer Nain Singh Rawat (19th century CE) received a… … Wikipedia
Fleming's left hand rule — (for electric motors) shows the direction of the thrust on a conductor carrying a current in a magnetic field.The left hand is held with the thumb, index finger and middle finger mutually at right angles. It can be recalled by remembering that… … Wikipedia
Fleming's right hand rule — (for generators) shows the direction of induced current flow when a conductor moves in a magnetic field.The right hand is held with the thumb, first finger and second finger mutually at right angles, as shown in the diagram .* The Thumb… … Wikipedia
