Occlusive (adjective)

1. Preventing passage or blockage of something, especially liquids or gases.
2. Relating to or characterized by obstruction, especially of the blood vessels.
3. Relating to or characterized by closure, especially of the mouth or lips.

Origin:

From latin occludere meaning 'to shut', derived from ob meaning 'in front of' and claudere meaning 'to shut'.

Examples:

1. The occlusive tape was used to cover the wound and prevent air from entering.
2. The doctor diagnosed the patient with an occlusive cardiovascular disease.
3. The occlusive gesture made it clear that the speaker did not want to continue the conversation.
4. The occlusive material prevented the liquid from passing through.
5. The occlusive bandage was used to stop the bleeding and promote healing.