錯覚 さっかく
sakkaku

Noun
Suru Verb
no-Adjective

1. optical illusion; hallucination

Transitive
これはあれよりも ながいように えるが、錯覚 さっかくだ。
korewa areyorimo nagai yōni mieruga sakkakuda.
This looks longer than that, but it is an optical illusion.
Noun
Suru Verb
no-Adjective

2. misapprehension; delusion

Transitive