ˌ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈā(ˌ)lēz noun plural
Usage: capitalized
Etymology: New Latin, from Laminaria + -ales
: an order of marine brown algae that include many economically important kelps, are largely restricted to cold or polar seas, are distinguished by a complex and often very large sporophyte which is usually differentiated into well-defined holdfast, stipe, and blade, and have microscopic gametophytes