|
|
Reverse Search
Reverse Search allows you to search within the full text of dictionary entries for words, word parts, and phrases.
Search for entries that contain:
Exact matches of any of the individual words entered in the search box.
Example: Searching for "apple orange" identifies all entries that contain the word "apple" or the word "orange."
Any form of any of the individual words entered in the search box.
Example: Searching for "apple orange" identifies all entries that contain the word "apple" or "apples" or "orange" or "oranges."
Exact matches of all of the individual words entered in the search box.
Example: Searching for "apple orange" identifies all entries that contain the word "apple" and the word "orange."
The exact sequence of words and/or characters entered in the search box (for example, a fragment of a word, a single word, multiple words, or even a phrase containing punctuation)
Example: Searching for "a variety of apple" identifies all entries that contain that phrase. Searching for "app" identifies all entries that contain the letters "app," such as occurrences of "apple," "application," and "apply."
Search within these fields:
Optional:
Limit by part of speech:
| lysine |
an amino acid, essential in the diet of humans and other animals, that is found in proteins. |
| messenger RNA |
a single-stranded molecule of ribonucleic acid that carries a code from the DNA, where it is synthesized, to the cytoplasm, where it specifies the sequence of amino acids required for protein synthesis. |
| methionine |
a sulfur-containing amino acid that is found in proteins and is essential in the diet of humans and other animals. |
| peptide |
any of various compounds composed of two or more amino acids, the carboxyl group of one acid being joined to the amino group of another. |
| phenylalanine |
an essential amino acid that is a constituent of many proteins. |
| polypeptide |
a condensation of amino acids that forms a protein molecule. |
| proline |
an nonessential amino acids that is found in proteins and collagen. |
| protein |
any of a group of complex organic compounds containing nitrogen and composed of chains of amino acids, found in all living organisms and considered essential to all animal life processes. |
| serine |
a nonessential amino acid found in many proteins. |
| sulfur |
a chemical element that has sixteen protons in each nucleus, that occurs as a pale yellow crystal, or in compounds such as sulfuric acid and the sulfur amino acids, and that has various industrial uses. (symbol: S) [1/5 definitions] |
| threonine |
an amino acid found in many proteins that is essential in the diet of humans but not essential in the diet of most animals. |
| transfer RNA |
a small, looped RNA that brings amino acids to a developing polypeptide chain. (Cf. messenger RNA.) |
| tryptophan |
an essential amino acid in animals that is a component of proteins and a precursor of serotonin and niacin. |
| tyrosine |
an amino acid found in proteins that is a precursor of certain hormones and neurotransmitters. |
| valine |
an amino acid, essential in the diet of humans and other animals, that is found in proteins. |
|
|