Emphasis
Highlight, Stress
noun, verbal noun
If you use a strong tone on certain words, then you are putting emphasis on whatever it is you're talking about. It's the stress you put on things that are important because your tone gets stronger on those words or syllables.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
先生は、重要なポイントを強調しました。
The teacher emphasized important points.
工事の時は、何よりも安全が重要だという事を強調したい。
I want to emphasize that safety is the most important thing during construction.
自分の考えを強調するために、何度も同じことを言いました。
I said the same thing many times to emphasize my thoughts.
二十年前のバービー人形は、まだボディラインを強調するものが多かった気がします。
I feel like Barbie dolls twenty years ago were still emphasizing body lines.