HEB: Haute Ecole de Bruxelles (French: High School of Brussels; Brussels, Belgium) HEB: Hindu Endowments Board (Singapore) HEB: Here Everything's Better: HEB: High Energy Biscuit: HEB: High-Energy Beam: HEB: High Efficiency Boiler: HEB: Health Evidence Bulletins: HEB: Heating Element Bank: HEB: Higher Education Bulletin (Kenya) HEB
Twilight is the time between darkness and sunrise in the morning, and sunset and complete darkness in the evening, when there is light outside, but the Sun is below the horizon. There are 3 types of twilight: civil, nautical, and astronomical. Dubai skyline in twilight.
twilight zone. Twilight zone is the mental state between reality and fantasy, or the lowest level of the ocean that light can penetrate. 1  When you come home and your extremely messy teenager has cleaned the house from top to bottom, this is an example of a time when you might feel you are living in the twilight zone.