Botany. attached by the base, or without any distinct projecting support, as a leaf issuing directly from the stem.
Zoology. permanently attached; not freely moving.
(of flowers or leaves) having no stalk; growing directly from the stem
(of animals such as the barnacle) permanently attached to a substratum
sessile ses·sile (sěs’īl’, -əl)
Permanently attached or fixed; not free-moving.
Permanently attached or fixed and not free-moving, as corals and mussels.
Stalkless and attached directly at the base, as certain kinds of leaves and fruit.
noun 1. a set that is a part of a larger set. 2. Mathematics. a set consisting of elements of a given set that can be the same as the given set or smaller. noun 1. (maths) a set the members of which are all members of some given class: A is a subset of […]
- Subset-equational language
(SEL) A declarative language for set processing by Bharat Jayaraman with subset and equational program clauses; pattern matching over sets (it supports efficient iteration over sets); annotations to say which functions distribute over union in which arguments (for point-wise/incremental computation over sets); defining transitive closures through circular constraints (implemented by mixed top-down/memoisation and bottom-up strategy); […]
noun, Physics. 1. a group of electrons in an atom belonging to the same shell and also having the same azimuthal quantum number. subshell (sŭb’shěl’) One or more orbitals in the electron shell of an atom with the same energy level. Subshells have different shapes and are distinguished by their magnetic quantum number. See more […]
noun 1. a plant consisting of a woody, perennial base with annual, herbaceous shoots. noun 1. a small bushy plant that is woody except for the tips of the branches