| acoustic phenomenon; atmospheric phenomenon; boundary layer; chaos; cloud; decalescence; electrical phenomenon; electricity; energy; power; event; field, field of force, force field; force; hysteresis; resonance; mechanical phenomenon; opacity; optical phenomenon; pressure, pressure level, force per unit area; reflection, reflexion; refraction; resolving power, resolution; resolution; conduction, conductivity; propagation; interaction, fundamental interaction; surface tension; syzygy; transparency, transparence; turbulence, turbulency; flotation, floatation |