directrix (dÉªËrÉktrÉªks; daÉª-) n. 1. (Mathematics) geometry a fixed reference line, situated on the convex side of a conic section, that is used when defining or calculating its eccentricity. 2. (Professions) a directress [C17: New Latin, feminine of director] diâ¢recâ¢trix (dÉªËrÉk trÉªks, daÉª-)
e-Visa [edit]. Turkish e-visa can be obtained prior to arrival or on arrival (for a higher cost). Citizens of these countries are eligible to apply for a multiple entry e-Visa which allows to stay up to 90 days (unless otherwise stated):1  Antigua and Barbuda. 2  Armenia #. - Countries whose citizens are allowed to enter Turkey with their expired passports (up to 5 years). 3 - Allowed to enter Turkey with their passports or ID cards expired within the last year. Turkish e-visa can be obtained prior to arrival or on arrival (for a higher cost).
Ordinary passport holders are required to have visa to enter Turkey. They can obtain three month multiple entry e-Visas via the website www.evisa.gov.tr. Mali: Diplomatic passport holders are exempted from visa for their travels up to 90 days.rdinary passport holders are required to have visa to enter Turkey and they can obtain their 90 day period multiple entry e-Visas via the website www.evisa.gov.tr. Bangladesh: Bangladeshi nationals holding diplomatic and official/service passport are exempted from visa for their travels up to 90 days.