effective half-life — the time required for the radioactivity of a radioactive nuclide to be diminished 50 per cent through the combined action of radioactive decay and biological elimination … Medical dictionary
half-life — The period in which the radioactivity or number of atoms of a radioactive substance decreases by half; similarly applied to any substance, such as a drug in serum, whose quantity decreases exponentially with time. Cf.:half time. biologic half… … Medical dictionary
Time signature — Common time redirects here. For the short story, see Common Time. Simple example of a 34 time signature: here there are three quarter notes per measure. The time signature (also known as meter signature) is a notational convention used in Western … Wikipedia
half-life — The time required for the activity of a given radioactive species to decrease to half of its initial value due to radioactive decay. The half life is a characteristic property of each radioactive species and is independent of its amount or… … Military dictionary
Time Warner Cable — Type Public Traded as NYSE: TWC Industry Communications … Wikipedia
Time-Domain Thermoreflectance — is a method by which the thermal properties of a material can be measured, most importantly thermal conductivity. This method can be applied most notably to thin film materials (up to hundreds of nanometers thick), which have properties that vary … Wikipedia
half — half1 W1S1 [ha:f US hæf] predeterminer, pron, adj [only before noun] ▬▬▬▬▬▬▬ 1¦(50%)¦ 2¦(most of)¦ 3¦(time)¦ 4¦(combination)¦ 5 half a dozen 6 half a/the chance 7 half an eye/ear 8 be half the battle 9 half a minute/moment/second etc … Dictionary of contemporary English
half — 1 predeterminer, adjective (only before noun) 1 being half of an amount, time, distance, number etc: events that happened over half a century ago | Only half the guests had arrived by seven o clock. | The studio is only half a block away. | half… … Longman dictionary of contemporary English
Time-out (sport) — In sports, a time out refers to a stoppage in the match for a short amount of time. This allows for the coaches of either team to communicate with the team, e.g. to determine strategy or inspire morale. Time outs are usually called by coaches or… … Wikipedia
Time to market — In commerce, time to market (TTM) is the length of time it takes from a product being conceived until its being available for sale. TTM is important in industries where products are outmoded quickly. A common assumption is that TTM matters most… … Wikipedia
Time release technology — Continuous release redirects here. For the software development practice, see Continuous integration. Time release technology, also known as sustained release (SR), sustained action (SA), extended release (ER, XR, or XL), time release or timed… … Wikipedia