almacantar /al-mə-kanˈtər/ or almucantar /al-mū-kanˈtər/ (astronomy)

1. A circle of altitude, parallel to the horizon
2. An instrument for determining a star's passage across an almacantar

• achromatisation
• achromatisations
• achromatise
• achromatised
• achromatises
• achromatising
• achromatism
• achromatisms
• achromatization
• achromatizations
• achromatize
• achromatized
• achromatizes
• achromatizing
• achromatopsia
• achromatopsias
• achromatous
• achromats
• Achtung
• achy
• ACIB
• aciclovir
• aciclovirs
• acicular
• aciculate