(1) The costs the Contractor expects to incur under this contract in the next 60 days, when added to all costs previously incurred, will exceed 75 percent of the estimated cost specified in the Schedule; or.
1. tightening, narrowing, tensing, shortening, drawing in, constricting, shrinkage Cramp is caused by contraction of the muscles. 2. abbreviation, reduction, shortening, compression, diminution, constriction, elision `It's' is a contraction of `it is'. Translations.
Labor Contractions. Labor contractions are the periodic tightening and relaxing of the uterine muscle, the largest muscle in a woman's body. Something triggers the pituitary gland to release a hormone called oxytocin that stimulates the uterine tightening.ontractions are often described as a cramping or tightening sensation that starts in the back and moves around to the front in a wave-like manner. Others say the contraction feels like pressure in the back. During a contraction, the abdomen becomes hard to the touch.