Pm
Học thuậtThân thiện
Definition
Noun:
- Prime Minister: The person who holds the position of head of the government in the United Kingdom or other parliamentary systems.
- Phase Modulation: A method of signal modulation where the phase of a carrier wave is varied in accordance with the amplitude of the modulating signal.
- Post Mortem: An examination and dissection of a dead body to determine cause of death or the changes produced by disease.
- Promethium: A soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium.
Abbreviation:
- Post Meridiem: Used after a time to indicate it is in the period from noon to midnight.
Usage Examples
- Noun (Prime Minister):
- The PM addressed the nation regarding the new policy.
- She met with the PM of Canada to discuss trade.
- Noun (Phase Modulation):
- The radio station uses PM for its broadcast signal.
- PM is less susceptible to noise than amplitude modulation.
- Noun (Post Mortem):
- A PM was conducted to establish the exact cause of death.
- The PM report provided crucial evidence for the investigation.
- Noun (Promethium):
- Pm is used in some types of atomic batteries.
- The element pm is highly radioactive.
- Abbreviation (Post Meridiem):
- The meeting is scheduled for 3:00 PM.
- Please arrive by 8:30 PM.
Advanced Usage
- The context is critical for understanding which meaning of PM is intended. In political news, it almost always means "Prime Minister." In technical documents, it likely means "Phase Modulation." In medical or legal contexts, it refers to "Post Mortem."
- When used for "Post Meridiem," it is typically written in lowercase (p.m.) in formal writing, though the uppercase form (PM) is very common in digital clocks and informal contexts.
Variants and Related Words
- P.M.: The standard punctuated form of the abbreviation for "post meridiem."
- Prime Ministerial (adj): Relating to a Prime Minister.
- Post-Mortem (adj/n): Can also be used as an adjective (e.g., a post-mortem analysis) or a noun meaning any retrospective analysis of a past event.
Synonyms
- For Prime Minister: Premier, Head of Government.
- For Post Mortem: Autopsy, Necropsy.
- For Post Meridiem: Afternoon, Evening (context-dependent for the time of day).
Related Phrases
- PM's Questions: A parliamentary session in the UK where the Prime Minister answers questions from members of parliament.
- Carry out a PM: To perform a post-mortem examination.
Noun
- modulation of the phase of the carrier wave
- the person who holds the position of head of the government in the United Kingdom
- a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
- an examination and dissection of a dead body to determine cause of death or the changes produced by disease