先端

せんたん

pointed end; tip; point; cusp (of a leaf, crescent moon, etc.)

JLPT N2 common word Also written 尖端

Meaning

n
pointed end; tip; point; cusp (of a leaf, crescent moon, etc.); apex (of a curve)
n
forefront; vanguard; spearhead; leading edge

Example sentences

リトマス紙で溶液の液性（酸性、中性、塩基性）を調べるときは、リトマス紙をすべて溶液に浸すのではなく、紙の先端の部分だけを浸します。

When investigating the pH (acidic, neutral, alkaline) of a liquid, don't soak the litmus paper completely in the liquid but just put the end of the paper in it.
表面に現れているのは氷山の先端に過ぎない。

Only the tip of an iceberg shows above the water.
彼女は先端を行っています。

She is on the cutting edge.