Finnish

Verb

havaittavissa

1. Present passive participle of havaita in inessive plural.

Adverb

havaittavissa

1. observable

   Sirius on havaittavissa paljain silmin.

   Sirius is observable with the naked eye.

   Havaittavissa oleva maailmankaikkeus on halkaisijaltaan noin 93 miljardin valovuoden kokoinen pallo.

   The observable universe is a sphere with the diameter of roughly 93 billion light years.

Usage notes

This adverb may be used attributively by combining it with oleva ‎(“passive present participle of olla - to be”), see second example above. In such combination only oleva is inflected.