lock

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lock

 [lok]
1. a place, often airtight, where something is sealed in.
2. a device such as a clamp for holding something firmly in place.
heparin lock see heparin lock.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

lock

(lok),
A device for holding or closing.
Farlex Partner Medical Dictionary © Farlex 2012

lock

Vox populi A device that prevents a particular action or activity. See Bloxham air lock, Heparin lock, Job lock, Vapor lock.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

lock

(lok)
1. An enclosing, fastening, or securing device.
2. A mechanism that, when moved, permits or obstructs passage.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
The lockless Huawei E586 without lock can let users use it all over the world.
[1995] reported a split mouth trial in Swedish PDHS clinics in Umea, comparing a GIC (ChemFil II) placed in two different class II cavity types; what they termed a microcavity (a lockless class II cavity) and a modified Black's class II cavity design.
'Lockless': Lay up good riches within your brows,/then may they be close to hand/And sure to keep,/Such a chest is not hid in the dark/Nor made heavy and ponderous,/Jauntily it carries your fortune/Among glitter or ruin/Among power and crush/through shallows and black forests,/A treasure box never lost.