reservoir

Everyday

1. A large lake, often made by people with a dam, that stores water for a town or city. tree →
2. A container or tank that holds liquid in a machine. tree →
3. A large supply of something: a reservoir of ideas. tree →

In the lessons

In geography and science lessons, reservoirs store drinking water and the water cycle refills them. In safety, reservoirs are deep and very cold; never swim in them. In maths, capacity problems ask how many litres a reservoir holds. Phrases: reservoir dam, water reservoir.

Examples

• Our water comes from a reservoir in the hills. tree →
• The reservoir was low after the dry summer. tree →
• Never swim in a reservoir; the water is deep and cold. tree →
• The car's washer reservoir needs filling. tree →
• The dam holds back the reservoir. tree →
• The reservoir holds 2 million litres of water. tree →
• He set his teeth and said nothing, but went with the shouting monkeys to a terrace above the red sandstone reservoirs that were half-full of rain water. tree →

Note

Countable. Say «REZ-er-vwar». Spelling trap: -voir, not -vour. Safety: reservoirs look calm but have hidden currents and freezing water.

In Jewish tradition

Interpretation: In Sefer Yetzirah and Kabbalah, it names the storehouses that hold God's blessing, which flows down from above. In the primary lessons: In geography and science lessons, reservoirs store drinking water and the water cycle refills them. In safety, reservoirs are deep and very cold; never swim in them. In maths, capacity problems ask how many litres a reservoir holds. Phrases: reservoir dam, water reservoir.

Examples

• influxes of the emanations, for it causes that influence to flow into all the reservoirs of the Blessings, with which these themselves are united. (Sefer Yetzirah, Westcott 1893) tree →

Note

Countable. Say «REZ-er-vwar». Spelling trap: -voir, not -vour. Safety: reservoirs look calm but have hidden currents and freezing water.