saltation
/sæl'teiʃn/
Học thuậtThân thiện
Definition
- Noun:
- A light, self-propelled movement upwards or forwards: A leap, jump, or bound.
- A series of rhythmical steps and movements in time to music: The act of dancing.
- An abrupt transition: A sudden and significant change or leap from one state, condition, or place to another.
- A successful leap from college to the major leagues: A metaphorical leap representing a rapid and successful advancement in a career, especially in sports.
- (Genetics) A mutation that drastically changes the phenotype of an organism or species: A sudden, discontinuous evolutionary change.
- (Geology) The leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface: A specific mode of particle transport where grains move in short jumps.
Examples of Usage
- Noun:
- The dancer's graceful saltation across the stage captivated the audience.
- The company's growth was not gradual but a sudden saltation into the market leader position.
- In desert regions, wind causes the saltation of sand grains, leading to dune formation.
- The genetic saltation resulted in a new species with distinctly different traits.
Advanced Usage
"Theory of saltation": In evolutionary biology, a theory proposing that new species arise through sudden, major changes.
- The fossil record sometimes suggests periods of saltation rather than gradual change.
"Saltation velocity": In fluid dynamics and geology, the minimum fluid velocity required to initiate the bouncing motion of particles.
- Engineers calculated the saltation velocity to design an effective dust removal system.
Variants and Related Words
Saltate (verb): To leap or jump; to move by saltation.
- The particles saltate along the riverbed.
Saltatory (adjective): Relating to or characterized by leaping or jumping; proceeding by abrupt leaps.
- The saltatory conduction of nerve impulses is faster in myelinated neurons.
Synonyms
- Leap: To jump or spring a long way.
- Jump: To push oneself off a surface into the air.
- Transition: The process of changing from one state to another (implies change, not necessarily abrupt).
- Mutation: A change in genetic structure.
Related Phrases
- "Saltation point": The critical threshold or moment of abrupt transition.
- The scandal was the saltation point that led to the government's collapse.
Related Idioms
- "By/in saltations": Progressing or occurring in a series of jumps or sudden advances.
- Technological innovation often proceeds by saltations rather than a smooth curve.
Noun
- a light, self-propelled movement upwards or forwards
- taking a series of rhythmical steps (and movements) in time to music
- an abrupt transition
- a successful leap from college to the major leagues
- (genetics) a mutation that drastically changes the phenotype of an organism or species
- (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface