home / medterms medical dictionary a-z list / ortho- (prefix) definition Medical Definition of Ortho- (prefix) Ortho- (prefix): Prefix meaning straight or erect. From the Greek orthos that means just that: straight or erect. Examples of terms involving ortho- include orthodontics (straightening the teeth), orthopaedics (straightening the child), orthopnea (breathing easily only in an upright position), orthostatic (an upright posture), etc.
Yellow. âKnockoutâ roses also come in yellow, and this color is often used to contrast with red and pink roses. The vibrant yellow is also attractive to butterflies and birds and is particularly attractive to bees.he âRainbow Knockoutâ rose (Rosa x âRadcorâ) grows in USDA zones 5 through 10 and features two colors within the same flower. The outside of the flat-form flower features a bright pink color, but the petals turn bright yellow near the center. 1  Dig This.
Rose Color Meaning. Red Roses: A red rose is an unmistakable expression of love. Red roses convey deep emotions-be it love, longing or desire. Red Roses can also be used to convey respect, admiration or devotion.A deep red rose can be used to convey heartfelt regret and sorrow.The number of red roses has special romantic meanings associated with them. 12 red roses is the most popular of all which conveys Be mine and I love you. White Roses: White is the color of purity, chastity and innocence. deep red rose can be used to convey heartfelt regret and sorrow. The number of red roses has special romantic meanings associated with them. 12 red roses is the most popular of all which conveys Be mine and I love you. White Roses: White is the color of purity, chastity and innocence.