| Library / English Dictionary |
REQUIRED
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Required by rule
Example:
required reading
Synonyms:
compulsory; mandatory; required
Classified under:
Similar:
obligatory (morally or legally constraining or binding)
Sense 2
Meaning:
Necessary for relief or supply
Example:
provided them with all things needful
Synonyms:
needed; needful; required; requisite
Classified under:
Similar:
necessary (absolutely essential)
II. (verb)
Sense 1
Past simple / past participle of the verb require
Context examples:
Tie2 is an endothelial cell specific receptor that is activated by angiopoietins, growth factors required for angiogenesis.
(Multikinase Inhibitor ARRY614, NCI Thesaurus)
An indication that a change in treatment or a change to a device will be required following an adverse event.
(Modification or Adjustment, NCI Thesaurus)
OX40 and CD28, both T-cell surface-associated co-stimulatory molecules, are required for full T-cell activation.
(Autologous iC9-GD2-CAR-expressing VZV-specific T Lymphocytes, NCI Thesaurus)
The proteins are required for both microtubule assembly and stabilization.
(Microtubule Associated Protein, NCI Thesaurus)
EXAMPLE(S): resulted in death, required hospitalization, was life threatening
(Adverse Event Seriousness Code, NCI Thesaurus/BRIDG)
A kind fairy, in my absence, had surely dropped the required suggestion on my pillow; for as I lay down, it came quietly and naturally to my mind.
(Jane Eyre, by Charlotte Brontë)
In one experiment, the researchers asked study participants to sit at a computer and take a series of tests that required full concentration in order to score well.
(Presence of Smartphone Reduces Brain Power, The Titi Tudorancea Bulletin)
He could swear to it, if required, that the word "God" was spoken by the patient.
(Dracula, by Bram Stoker)
At 246 miles (396 kilometers) wide, Mimas is too small to have retained internal heat from its formation, so some other source of energy would be required to maintain an underground ocean.
(Saturn Moon May Hide a 'Fossil' Core or an Ocean, NASA)
The research demonstrates that graphene inks can be used in textiles able to store electrical charge and release it when required.
(Washable, wearable battery-like devices could be woven directly into clothes, University of Cambridge)
