| Library / English Dictionary |
WELL-DEFINED
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Accurately stated or described
Example:
a set of well-defined values
Synonyms:
Classified under:
Antonym:
ill-defined (poorly stated or described)
Sense 2
Meaning:
Having a clean and distinct outline as if precisely cut along the edges
Example:
well-defined features
Synonyms:
chiseled; well-defined
Classified under:
Similar:
distinct (easy to perceive; especially clearly outlined)
Context examples:
In particular a well-defined MIRD system of calculating this dose for radiopharmaceuticals in humans from properties of the subject and its internal sources has been developed and maintained by the Society of Nuclear Medicine.
(Medical Internal Radiation Dose, NCI Thesaurus)
While we normally think of continents as needing to be above water, researchers say the new continent does meet other requirements to the title, including elevation over the surrounding area, distinct geology, a well-defined area and crust thicker than the ocean floor, the BBC reports.
(Researchers Argue for Eighth Continent: Zealandia, VOA)
Any well-defined collection of genetic material used to identify unknown nucleic acids; classically, a collection of expressed cDNA clones representing the genome of a particular organism, used to identify newly purified genes or mRNAs by hybridization.
(Gene Bank, NIH CRISP Thesaurus)
However, these structural preferences are non-random, and recent advances have shown that there are well-defined rules that connect information in the amino acid sequences of IDPs to the collections of structures they can adopt.
(Biomaterial Artificial Protein Helps Heal Tissue, The Titi Tudorancea Bulletin)
They pointed out the fish and dead birds lying about among the rocks as proving the nature of the food of these creatures, and I heard them congratulating each other on having cleared up the point why the bones of this flying dragon are found in such great numbers in certain well-defined areas, as in the Cambridge Green-sand, since it was now seen that, like penguins, they lived in gregarious fashion.
(The Lost World, by Sir Arthur Conan Doyle)
Strongly-marked horizontal eyebrows must be traced under that brow; then followed, naturally, a well-defined nose, with a straight ridge and full nostrils; then a flexible-looking mouth, by no means narrow; then a firm chin, with a decided cleft down the middle of it: of course, some black whiskers were wanted, and some jetty hair, tufted on the temples, and waved above the forehead.
(Jane Eyre, by Charlotte Brontë)
The base units are a choice of seven well-defined units within the International System of Units (Systeme International d'Unites, SI), which by convention are regarded as dimensionally independent and therefore defined in an absolute way without referring to any other units: the meter, the kilogram, the second, the ampere, the kelvin, the mole, and the candela.
(Base Unit of International System of Units, NCI Thesaurus)
