noun, plural signalmen.
a person whose occupation or duty is signaling, as on a railroad or in the army.
noun (pl) -men
a railway employee in charge of the signals and points within a section
a man who sends and receives signals, esp in the navy
noun 1. a detailed description, especially of distinctive features, of a person for identification, usually for police purposes. noun 1. (US) a detailed description of a person, for identification or use in police records
- Signal node
signal node sig·nal node (sĭg’nəl) n. A firm, palpable, supraclavicular lymph node, usually on the left side, whose tumorous condition is usually secondary to primary carcinoma in one of the viscera. Also called jugular gland, Virchow’s node.
- Signal transduction pathway
signal transduction pathway definition A set of chemical reactions in a cell that occurs when a molecule, such as a hormone, attaches to a receptor on the cell membrane. The pathway is actually a cascade of biochemical reactions inside the cell that eventually reach the target molecule or reaction. Thus, the pathway is a method […]
adjective 1. having signed, or joined in signing, a document: the signatory powers to a treaty. noun, plural signatories. 2. a signer, or one of the signers, of a document: France and Holland were among the signatories of the treaty. noun (pl) -ries 1. a person who has signed a document such as a treaty […]