anchor

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anchor

(ang'ker),
Any device that fixes the position of an object with respect to its surroundings.
[M.E. anker, fr. O.E. ancor, fr. L. ancora, fr. G. ankyra]

anchor

A clinical trial term of art for a planned activity, often marking the transition between epochs (stages) or elements of a clinical study plan—e.g., FP/FV (first patient/first visit).

anchor

(ang′kŏr) [L. ancora, anchora, fr Gr. ankyra, anchor]
1. Any structure that provides stability for a prosthetic dental appliance, e.g., a crown, bridge, or denture. The anchor may be a metal implant, a natural tooth, or part of a fixed bridge.
2. In emergency medicine, to tie or attach a rope or sling so it will not move and can support the weight of the rescuers, basket, and patient.
3. A tree, rock, door casing, or other strong stable device that will not move when a rescuer and patient's weight are attached to it.
4. In cell biology, a scaffold within the cell or its membranes, on which enzymes or other important molecules are suspended.
References in classic literature ?
He first cast anchor at Botany Bay, visited the Friendly Isles, New Caledonia, then directed his course towards Santa Cruz, and put into Namouka, one of the Hapai group.
Splash went the anchor, and they all heaved over the lines, each man taking his own place at the bulwarks.
The hours struck clear in the cabin; the nosing bows slapped and scuffled with the seas; the fo'c'sle stovepipe hissed and sputtered as the spray caught it; and the boys slept on, while Disko, Long Jack, Tom Plait, and Uncle Salters, each in turn, stumped aft to look at the wheel, forward to see that the anchor held, or to veer out a little more cable against chafing, with a glance at the dim anchor-light between each round.
When a Belgium-based dredging company required two anchors of a type not commonly available, they knew where to turn.
com)-- DEUS Rescue, a premier provider of innovative vertical rescue solutions, today announced it has expanded its product line to include an array of anchors to provide customers with more complete solutions.
For the past 30 years, AnchorPipe has designed and installed over 100,000 screw anchors and ScrewPiles to permanently stabilize new and existing pipelines.
I also buy anchors that the grapnel will bend when it's stuck so that it comes out.
There are anchors for every type of bottom and purpose.
The impact of different anchors on observed score equating were evaluated and compared with respect to systematic error (bias), random equating error (standard errors of equating), and total equating error (RMSE) using empirical data.
The development of anchors for the offshore oil industry--initially for the North Sea oilfields--led to practical and theoretical research on anchor design, which, in the last decade, has been supplemented by testing of anchors for the leisure market.
Toggle bolts and screw anchors are used where the back of the wall is inaccessible, such as drywall and hollow concrete block.
Beyond globe-trotting anchors, Gibson insisted it was more important for news divisions to establish permanent foreign correspondents.