reentry
Học thuậtThân thiện
The spacecraft capsule experiences intense heat as it makes its high-speed reentry into the atmosphere.
Definition
Noun: 1. The act of entering again: The action of coming back into a place, area, or condition from which one had previously left. This is the core and most common meaning. 2. Specifically, the return of a spacecraft into the Earth's atmosphere: A specialized use referring to the phase when a spacecraft returns from space and enters the Earth's atmosphere.
Usage and Examples
- General Use (Act of entering again):
- After a long trip abroad, his reentry into daily life was challenging.
- The security system logs every reentry into the building after hours.
- Aerospace Use (Spacecraft returning):
- The capsule withstood the intense heat of atmospheric reentry.
- Mission control monitored the reentry trajectory carefully.
Advanced Usage
- "Reentry vehicle": The part of a spacecraft designed to survive the process of returning to Earth's atmosphere.
- Legal/Judicial Context: While not the primary definition, "reentry" can be used in legal contexts (e.g., "reentry after deportation"), but this is typically considered a compound or specialized legal term.
Variants and Related Words
- Re-enter (verb): The action form of the noun.
- The spacecraft will re-enter the atmosphere tomorrow.
- You must re-enter your password to confirm.
- Reentrant (adjective): In technical fields like geometry or programming, describing something that angles inward or can be called again.
Synonyms
- Return
- Reappearance
- Comeback
Antonyms
- Exit
- Departure
- Egress
Notes
The word is often spelled with a hyphen: re-entry. Both "reentry" and "re-entry" are correct, with the hyphenated form being common in British English.
The spacecraft capsule experiences intense heat as it makes its high-speed reentry into the atmosphere.
Noun
- the act of entering again