Meaning and Usage
The word "排水" (はいすい) specifically refers to the act or system of draining water or other liquids away, often used in contexts related to plumbing, construction, and environmental management. It is a technical term commonly seen in engineering, architecture, and environmental discussions.
Common Contexts
You will often encounter "排水" when talking about drainage systems in buildings, roads, or factories. It can refer to both the physical infrastructure (like pipes and drains) and the process of removing water to prevent flooding or pollution.
Collocations and Patterns
- 排水設備 (はいすいせつび): drainage facilities or equipment
- 排水管 (はいすいかん): drainage pipe
- 排水処理 (はいすいしょり): drainage treatment or wastewater treatment
- 排水が悪い (はいすいがわるい): poor drainage
These collocations are useful for discussing technical aspects or everyday problems related to water drainage.
Register and Usage Notes
"排水" is a formal and technical term, not typically used in casual conversation unless discussing specific issues related to water drainage. It is important to distinguish it from more general words for water flow or water removal.
Common Learner Mistake
Learners sometimes confuse "排水" with "排出" (はいしゅつ), which means "discharge" or "emission" more broadly, including gases or waste. Remember that "排水" is specifically about water or liquid drainage.