Meaning and Usage
"血液" (けつえき) specifically refers to "blood" as a bodily fluid. It is commonly used in medical contexts, such as blood tests (血液検査) or discussions about blood types (血液型).
Common Collocations
- 血液検査 (けつえきけんさ): blood test, used in medical check-ups.
- 血液型 (けつえきがた): blood type, often asked in personal or health contexts.
- 血液循環 (けつえきじゅんかん): blood circulation, a biological term.
Register and Nuance
"血液" is a formal and scientific term rather than a casual word for blood. In everyday conversation, "血" (ち) might be used more casually. "血液" is appropriate in medical, educational, or scientific discussions.
Common Mistakes
Learners sometimes confuse "血液" with "血". Remember that "血液" emphasizes the fluid aspect of blood, often in a clinical or biological context, while "血" can refer more broadly to blood itself, including symbolic uses.