hạch tâm
Definition
- Noun:
- Nucleus (of an atom): "Hạch tâm" is a rare and specialized term referring to the central, positively charged core of an atom, composed of protons and neutrons.
- Nuclear (as an adjective concept): The term can also relate to the concept of something being nuclear in nature, though this is typically expressed with other words in modern Vietnamese.
Usage Examples
- Noun:
- Các electron quay xung quanh hạch tâm của nguyên tử. (Electrons orbit around the nucleus of the atom.)
- Lý thuyết mô tả cấu trúc của hạch tâm. (The theory describes the structure of the atomic nucleus.)
Advanced Usage
- This term is highly technical and archaic in modern Vietnamese. It is primarily found in older scientific texts or in very formal, academic contexts discussing atomic physics.
- In contemporary usage, the more common term for "atomic nucleus" is "hạt nhân nguyên tử". The standalone word "hạt nhân" (nucleus/core) is also widely used.
Variants and Related Words
- Hạt nhân (nguyên tử): The standard modern term for "atomic nucleus".
- Nguyên tử: Atom.
- Vật lý hạt nhân: Nuclear physics.
- Năng lượng hạt nhân: Nuclear energy.
Synonyms
- Lõi nguyên tử: A less common synonym meaning the core of the atom.
- Trung tâm nguyên tử: A descriptive synonym meaning the center of the atom.
Related Phrases
- Phản ứng hạch tâm: A very rare and dated phrase for "nuclear reaction". The modern term is "phản ứng hạt nhân".
- Vũ khí hạch tâm: An archaic phrase for "nuclear weapon". The modern term is "vũ khí hạt nhân".
Notes on Usage
- "Hạch tâm" is considered obsolete. Learners should use "hạt nhân" or "hạt nhân nguyên tử" for clarity and to align with contemporary Vietnamese.
- Its inclusion here is primarily for understanding historical or very specialized scientific literature.