A disturbance or oscillation that travels through space and matter.

A small localized object to which can be ascribed physical or chemical properties.

A gesture of greeting or farewell.

अभिवादन या विदाई का इशारा।

English Usage: She gave me a wave as she left.

Hindi Usage: उसने जाते समय मुझे हाथ हिलाया।

A tiny piece or fragment of something.

किसी चीज का एक छोटा टुकड़ा या टुकड़ा।

English Usage: There was a particle of dust on the table.

Hindi Usage: मेज पर धूल का एक कण था।

Communication or direct involvement with someone or something.

A reciprocal action or influence.

एक पारस्परिक क्रिया या प्रभाव।

English Usage: The interaction of different chemicals caused a reaction.

Hindi Usage: विभिन्न रसायनों का आपसी प्रभाव एक प्रतिक्रिया का कारण बना।