1. (of a plant ovule) completely straight with the micropyle at the apex

Antonym: campylotropous

• Tringa melanoleuca
• Tringa nebularia
• Tringa totanus
• Trinidad
• Trinidad and Tobago
• Trinidad and Tobago dollar
• Trinidadian
• Trinil man
• Trinitarian
• Trinitarianism
• trinitroglycerin
• trinitrotoluene
• trinity
• Trinity River
• Trinity Sunday
• trinket
• trinketry
• trinomial
• trinuclear
• trinucleate
• trinucleated
• trio
• triode
• triolein
• triolet