External Appearance
Outward Demeanor, Surface
noun
The outside face of something is its external appearance.
外面 usually refers to someone's outward demeanor or behavior, especially when it's considered inauthentic somehow. In other situations, this word can also just mean the literal surface of something.
This word has two readings, そとづら and がいめん. We'll focus on the more common そとづら one here. But you didn't learn the つら reading with 面, and it gets rendaku'd in this word, so here's a mnemonic:
Your external appearance is always perfect because before meeting anyone, you put on a du-rag (づら). The du-rag magically makes you seem kind and friendly, even when you're not. It's just a part of your outward demeanor, or そとづら.
Reminder: The そとづら reading usually implies a kind of deceptive outward demeanor. For a neutral word for surfaces or external appearances, like the exterior of a building, use がいめん.
外面を見る
to look at the exterior, to judge by appearances
外面をかざる
to decorate the exterior
外面をみがく
to polish the exterior
外面に出る
to appear on the surface
外面に引き出す
to bring something out to the surface
外面にもれる
to come out to the surface, to leak onto the exterior
外面的
external, superficial
外面上
on the surface level
自分の外面
one's own external appearance
人間の外面
the outward appearance of humans
レンズの外面
the outer surface of a lens
彼女の外面にだまされない方がいいですよ。
You shouldn't be fooled by her outward appearance.
彼は外面が良く、人前ではいつも笑顔を見せています。
He has a good outward appearance and always smiles in public.
このメガネは、レンズの外面のカーブをフラットにしているので、周辺部のボヤケやユガミが少ないんです。
These glasses have a flat curvature on the outer surface of the lens, so there's less distortion and glare in the peripheral areas.
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