also: ひっぱりつよさ
noun
tensile strength
Technical term in materials science and engineering; refers to the maximum stress a material can withstand while being stretched before breaking.
この鋼材の引っ張り強さは非常に高い。
The tensile strength of this steel material is very high.
引っ張り強さを測定する試験を行った。
We conducted a test to measure tensile strength.
Compound of 引っ張り (hiki- + hari, 'pulling') and 強さ (tsuyosa, 'strength'). The reading づよさ is a sequential voicing (rendaku) of つよさ.