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A stalagmite is the stone pillar that grows upward from the floor of a cave. It is made by the same water that makes a stalactite: a drop falls from the ceiling, lands on the same spot again and again, and each time leaves behind a trace of mineral. Over thousands of years those traces pile into a mound or a pointed column, so a stalagmite is usually thicker and blunter than the thin stalactite above it — the drop spreads a little when it lands. Often you can see the pair, one hanging and one rising, aimed at each other; when they finally meet and join they are called a column or pillar. Like its twin, the word lives in geography lessons, cave tours, and nature programmes rather than in daily conversation, though students meet it early in school. Stress the first syllable: STA-lag-mite.
石筍（洞穴地面向上長的柱狀結晶）
組成From New Latin stalagmītēs, from Ancient Greek στάλαγμα (stálagma, 'a drop') or σταλαγμός (stalagmós, 'a dripping'), with the Latin -ītēs ending used for stones and minerals. So it too is named for the dripping water that makes it, not for its shape.
同家族的字
- stalactitebuilt on the closely related Greek word for 'dripping' — the same water, hanging from the ceiling above
原始詞典資料1 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
stalagmitenoun/stəˈlæɡˌmaɪt/
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geographygeologynatural-sciencesA secondary mineral deposit of calcium carbonate or other mineral, in shapes similar to icicles, that lies on the ground of a cave.
- In one place, near at hand, a stalagmite had been slowly growing up from the ground for ages, builded by the water-drip from a stalactite overhead.
- Molten roofing north, lead dripping down south, stand like those immobilized columns of arctic water west, stalagmites, monked and housed or stamped and dudleyed east, in school texts.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。