Meaning and Usage
The word "分子" (ぶんし) has two primary meanings: in mathematics, it refers to the numerator of a fraction, and in chemistry, it means a molecule, the smallest unit of a chemical compound that retains its properties.
Common Contexts
In everyday conversation, "分子" is more frequently used in scientific or academic contexts, especially in chemistry and physics. In math classes or discussions about fractions, it specifically denotes the numerator.
Collocations and Patterns
- 分子と分母 (ぶんしとぶんぼ): numerator and denominator, used when discussing fractions.
- 分子構造 (ぶんしこうぞう): molecular structure, common in chemistry.
- 分子レベル (ぶんしレベル): molecular level, used in scientific research contexts.
Register and Nuance
"分子" is a formal term used mainly in academic, scientific, or technical contexts. It is not commonly used in casual conversation unless discussing related topics.
Common Mistakes
Learners sometimes confuse "分子" with "分子" in math and chemistry contexts. Remember that the meaning depends on context: in fractions, it is the numerator; in science, it is a molecule. Pay attention to surrounding words to understand the intended meaning.