halo

A circular band of coloured light, visible around the sun or moon etc., caused by reflection and refraction of light by ice crystals in the atmosphere.

A cloud of gas and other matter surrounding and captured by the gravitational field of a large diffuse astronomical object, such as a galaxy or cluster of galaxies.

Anything resembling this band, such as an effect caused by imperfect developing of photographs.

nimbus, a luminous disc, often of gold, around or over the heads of saints, etc., in religious paintings.

The metaphorical aura of glory, veneration or sentiment which surrounds an idealized entity.

her halo slipped

O! yearning heart! I did inherit Thy withering portion with the fame, The searing glory which hath shone Amid the jewels of my throne, Halo of Hell!

To encircle with a halo.

Acronym of high altitude, low opening (“a type of skydiving where one leaves the launch platform from a high altitude and opens the parachute at a very low altitude”).

When you have enough experience, you can do a HALO jump.

Acronym of hazardous area life-support organization.

Acronym of high altitude, low orbiting.

Weather balloons at maximum altitude are considered HALOs.

Acronym of heavy assets, low obsolescence (“AI-resistant stocks”).

Call it the AI immunity trade, HALO—for “heavy assets, low obsolescence”—or just another iteration of the jitters that have periodically rippled through markets since the AI investing boom began. […] Not everyone is convinced the HALO hype will stick around.