high-grade

comparative higher-grade · superlative highest-grade

1. Of high quality, particularly good.

   The high-grade ore was much more profitable than lower-grade ore.

   2 more examples

   Were the possibilities of improving the efficiency of British Railways' steam locomotives by making the best use of the reasonably satisfactory low-grade lump coal available today, and thereby saving more high-grade locomotive coal, borne in mind when it was decided to go ahead rapidly with replacement of steam traction?

   1961 September, “Talking of Trains: Greater scope for steam”, in Modern Railways, page 517

   Strikes are now due to take place on [...], while conductors also remain under instruction not to work any rest days or to undertake any higher-grade duties until further notice.

   2021 September 8, “Network News: RMT on "war footing" in response to workforce cutback threats”, in RAIL, number 939, page 15

   Antonyms: low-grade

2. medicineSevere.

   Surgical treatment of patients affected by high-grade high-dysplastic spondylolisthesis still represents a challenge for spine surgeons.

   2022 October 1, C. Faldini, F. Barile, M. Ialuna, M. Manzetti, G. Viroli, F. Vita, M. Traversari, A. Rinaldi, T. Cerasoli, A. Paolucci, G. D’Antonio, A. Ruffilli, “High-grade dysplastic spondylolisthesis: surgical technique and case series”, in MUSCULOSKELETAL SURGERY, volume 107, →DOI, pages 323–331

   2 more examples

   This chapter on high-grade pelvic prolapse by Phillip Toozs Hobson and Amallia Brair concisely reviews prevalence, risk factors, conservative and surgical management options, surgical complications and prevention. High-grade prolapse is a particularly challenging clinical scenario because it reflects a severe loss of native support and has been associated with a higher rate of recurrence over time. Pelvic prolapse is an intimate condition in which education and counselling is critical to patient’s understanding, expectations and treatment satisfaction.

   2021 April 14, Una Lee, “High-Grade Prolapse”, in Female Pelvic Medicine. Challenging Cases with Expert Commentary, →DOI, →ISBN, pages 209–215

   The additional detection rate of HSIL [high-grade squamous intraepithelial lesions] using indiscriminating ECC [abnormal endocervical curettage] was 5%. Patients with abnormal ECC were older (P < 0.001), predominantly menopausal (P = 0.001), had high-grade cytology (P = 0.032), a type 3 transformation zone (P = 0.046), and a higher proportion of HPV type 16/18 infection (P = 0.023).

   2023 August 3, Chunyang Feng, Liying Gu, Yingting Wei, Jiaxin Niu, Haima Yang, Zubei Hong, Lihua Qiu, “Analysis of outcomes following loop electrosurgical excision and clinical features of patients with cervical high-grade squamous intraepithelial lesions with abnormal preoperative endocervical curettage”, in World Journal of Surgical Oncology, volume 21, number 237, →DOI

   Antonyms: low-grade