つつある

suffix, godan verb (-ru, irregular)

be in the process of doing; be doing

Attaches to the -masu stem of verbs to express an ongoing action or gradual change. Often used in formal or written contexts, and can imply a sense of progression over time.

See also: つつ

• 地ち球きゅう温おん暖だん化かは進すすみつつある。

  Global warming is progressing.

• 新あたらしい技ぎ術じゅつが開かい発はつされつつある。

  New technology is being developed.